2269970740 has 72 divisors (see below), whose sum is σ = 5105725128. Its totient is φ = 847165440.

The previous prime is 2269970723. The next prime is 2269970741. The reversal of 2269970740 is 470799622.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 246050596 + 2023920144 = 15686^2 + 44988^2 .

It is a super-2 number, since 2×2269970740² = 10305534320912295200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2269970741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 431164 + ... + 436396.

It is an arithmetic number, because the mean of its divisors is an integer number (70912849).

Almost surely, 2^2269970740 is an apocalyptic number.

2269970740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2269970740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2552862564).

2269970740 is an abundant number, since it is smaller than the sum of its proper divisors (2835754388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2269970740 is a wasteful number, since it uses less digits than its factorization.

2269970740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5329 (or 5304 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 2269970740 is about 47644.2099315331. The cubic root of 2269970740 is about 1314.2361826571.

It can be divided in two parts, 22699 and 70740, that added together give a palindrome (93439).

The spelling of 2269970740 in words is "two billion, two hundred sixty-nine million, nine hundred seventy thousand, seven hundred forty".