22770538 has 8 divisors (see below), whose sum is σ = 39035232. Its totient is φ = 9758796.

The previous prime is 22770533. The next prime is 22770541. The reversal of 22770538 is 83507722.

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

It is not an unprimeable number, because it can be changed into a prime (22770533) 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, 813220 + ... + 813247.

It is an arithmetic number, because the mean of its divisors is an integer number (4879404).

Almost surely, 2^22770538 is an apocalyptic number.

22770538 is a deficient number, since it is larger than the sum of its proper divisors (16264694).

22770538 is a wasteful number, since it uses less digits than its factorization.

22770538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626476.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 22770538 is about 4771.8484887934. The cubic root of 22770538 is about 283.4377970816.

The spelling of 22770538 in words is "twenty-two million, seven hundred seventy thousand, five hundred thirty-eight".