22951994 has 16 divisors (see below), whose sum is σ = 37161600. Its totient is φ = 10568880.

The previous prime is 22951993. The next prime is 22952009. The reversal of 22951994 is 49915922.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22951993) 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 7 ways as a sum of consecutive naturals, for example, 15707 + ... + 17105.

It is an arithmetic number, because the mean of its divisors is an integer number (2322600).

Almost surely, 2^22951994 is an apocalyptic number.

22951994 is a deficient number, since it is larger than the sum of its proper divisors (14209606).

22951994 is a wasteful number, since it uses less digits than its factorization.

22951994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045.

The product of its digits is 58320, while the sum is 41.

The square root of 22951994 is about 4790.8239374872. The cubic root of 22951994 is about 284.1887012131.

The spelling of 22951994 in words is "twenty-two million, nine hundred fifty-one thousand, nine hundred ninety-four".