22943738 has 8 divisors (see below), whose sum is σ = 34444980. Its totient is φ = 11462080.

The previous prime is 22943731. The next prime is 22943749. The reversal of 22943738 is 83734922.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20043529 + 2900209 = 4477^2 + 1703^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22943738² = 1052830226825288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22943731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1493 + ... + 6936.

Almost surely, 2^22943738 is an apocalyptic number.

22943738 is a deficient number, since it is larger than the sum of its proper divisors (11501242).

22943738 is a wasteful number, since it uses less digits than its factorization.

22943738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9792.

The product of its digits is 72576, while the sum is 38.

The square root of 22943738 is about 4789.9622127946. The cubic root of 22943738 is about 284.1546222090.

The spelling of 22943738 in words is "twenty-two million, nine hundred forty-three thousand, seven hundred thirty-eight".