22978353 has 16 divisors (see below), whose sum is σ = 33364800. Its totient is φ = 14011200.

The previous prime is 22978349. The next prime is 22978381. The reversal of 22978353 is 35387922.

It is not a de Polignac number, because 22978353 - 2² = 22978349 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22978313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5298 + ... + 8603.

It is an arithmetic number, because the mean of its divisors is an integer number (2085300).

Almost surely, 2^22978353 is an apocalyptic number.

It is an amenable number.

22978353 is a deficient number, since it is larger than the sum of its proper divisors (10386447).

22978353 is a wasteful number, since it uses less digits than its factorization.

22978353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13952.

The product of its digits is 90720, while the sum is 39.

The square root of 22978353 is about 4793.5741362787. The cubic root of 22978353 is about 284.2974508665.

The spelling of 22978353 in words is "twenty-two million, nine hundred seventy-eight thousand, three hundred fifty-three".