22337394849 has 81 divisors (see below), whose sum is σ = 41319035121. Its totient is φ = 11585906640.

The previous prime is 22337394847. The next prime is 22337394853. The reversal of 22337394849 is 94849373322.

The square root of 22337394849 is 149457.

It is a perfect power (a square), and thus also a powerful number.

22337394849 is a `hidden beast` number, since 223 + 373 + 9 + 4 + 8 + 49 = 666.

It is not a de Polignac number, because 22337394849 - 2¹ = 22337394847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22337394795 and 22337394804.

It is not an unprimeable number, because it can be changed into a prime (22337394847) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 34524244 + ... + 34524890.

Almost surely, 2^22337394849 is an apocalyptic number.

22337394849 is the 149457-th square number.

22337394849 is the 74729-th centered octagonal number.

It is an amenable number.

22337394849 is a deficient number, since it is larger than the sum of its proper divisors (18981640272).

22337394849 is an equidigital number, since it uses as much as digits as its factorization.

22337394849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336 (or 668 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 54.

The spelling of 22337394849 in words is "twenty-two billion, three hundred thirty-seven million, three hundred ninety-four thousand, eight hundred forty-nine".