22270923 has 16 divisors (see below), whose sum is σ = 34429440. Its totient is φ = 14201352.

The previous prime is 22270891. The next prime is 22270931. The reversal of 22270923 is 32907222.

It is not a de Polignac number, because 22270923 - 2⁵ = 22270891 is a prime.

It is a super-3 number, since 3×22270923³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22270933) 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, 17311 + ... + 18552.

It is an arithmetic number, because the mean of its divisors is an integer number (2151840).

Almost surely, 2^22270923 is an apocalyptic number.

22270923 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22270923 is a deficient number, since it is larger than the sum of its proper divisors (12158517).

22270923 is a wasteful number, since it uses less digits than its factorization.

22270923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35895 (or 35889 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 22270923 is about 4719.2078784474. The cubic root of 22270923 is about 281.3494510518.

The spelling of 22270923 in words is "twenty-two million, two hundred seventy thousand, nine hundred twenty-three".