22995994 has 12 divisors (see below), whose sum is σ = 40125834. Its totient is φ = 9855384.

The previous prime is 22995989. The next prime is 22995997. The reversal of 22995994 is 49959922.

It can be written as a sum of positive squares in only one way, i.e., 22992025 + 3969 = 4795^2 + 63^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (22995997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117229 + ... + 117424.

Almost surely, 2^22995994 is an apocalyptic number.

22995994 is a deficient number, since it is larger than the sum of its proper divisors (17129840).

22995994 is a wasteful number, since it uses less digits than its factorization.

22995994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234669 (or 234662 counting only the distinct ones).

The product of its digits is 524880, while the sum is 49.

The square root of 22995994 is about 4795.4138507537. The cubic root of 22995994 is about 284.3701861118.

The spelling of 22995994 in words is "twenty-two million, nine hundred ninety-five thousand, nine hundred ninety-four".