2247564540 has 96 divisors (see below), whose sum is σ = 6786855936. Its totient is φ = 552464640.

The previous prime is 2247564491. The next prime is 2247564607. The reversal of 2247564540 is 454657422.

It is a super-2 number, since 2×2247564540² = 10103092722930823200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 708999 + ... + 712161.

It is an arithmetic number, because the mean of its divisors is an integer number (70696416).

Almost surely, 2^2247564540 is an apocalyptic number.

2247564540 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 2247564540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3393427968).

2247564540 is an abundant number, since it is smaller than the sum of its proper divisors (4539291396).

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

2247564540 is a wasteful number, since it uses less digits than its factorization.

2247564540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4099 (or 4097 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 39.

The square root of 2247564540 is about 47408.4859492475. The cubic root of 2247564540 is about 1309.8977330185.

The spelling of 2247564540 in words is "two billion, two hundred forty-seven million, five hundred sixty-four thousand, five hundred forty".