22916942 has 4 divisors (see below), whose sum is σ = 34375416. Its totient is φ = 11458470.

The previous prime is 22916941. The next prime is 22916977. The reversal of 22916942 is 24961922.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22916941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5729234 + ... + 5729237.

It is an arithmetic number, because the mean of its divisors is an integer number (8593854).

Almost surely, 2^22916942 is an apocalyptic number.

22916942 is a deficient number, since it is larger than the sum of its proper divisors (11458474).

22916942 is a wasteful number, since it uses less digits than its factorization.

22916942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11458473.

The product of its digits is 15552, while the sum is 35.

The square root of 22916942 is about 4787.1642963241. The cubic root of 22916942 is about 284.0439576870.

It can be divided in two parts, 229 and 16942, that added together give a palindrome (17171).

The spelling of 22916942 in words is "twenty-two million, nine hundred sixteen thousand, nine hundred forty-two".