2122315040 has 96 divisors (see below), whose sum is σ = 5158520640. Its totient is φ = 824771584.

The previous prime is 2122315001. The next prime is 2122315051. The reversal of 2122315040 is 405132212.

It is a super-2 number, since 2×2122315040² = 9008442258020403200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 906191 + ... + 908529.

It is an arithmetic number, because the mean of its divisors is an integer number (53734590).

Almost surely, 2^2122315040 is an apocalyptic number.

2122315040 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 2122315040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2579260320).

2122315040 is an abundant number, since it is smaller than the sum of its proper divisors (3036205600).

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

2122315040 is a wasteful number, since it uses less digits than its factorization.

2122315040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514 (or 2506 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2122315040 is about 46068.5906014065. The cubic root of 2122315040 is about 1285.0990935305.

Adding to 2122315040 its reverse (405132212), we get a palindrome (2527447252).

It can be divided in two parts, 21223 and 15040, that added together give a palindrome (36263).

The spelling of 2122315040 in words is "two billion, one hundred twenty-two million, three hundred fifteen thousand, forty".