22270023 has 12 divisors (see below), whose sum is σ = 32240208. Its totient is φ = 14813280.

The previous prime is 22270019. The next prime is 22270097. The reversal of 22270023 is 32007222.

It is not a de Polignac number, because 22270023 - 2² = 22270019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22269978 and 22270005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22270723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1843 + ... + 6923.

It is an arithmetic number, because the mean of its divisors is an integer number (2686684).

Almost surely, 2^22270023 is an apocalyptic number.

22270023 is a deficient number, since it is larger than the sum of its proper divisors (9970185).

22270023 is a wasteful number, since it uses less digits than its factorization.

22270023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5574 (or 5571 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 22270023 is about 4719.1125224983. The cubic root of 22270023 is about 281.3456610889.

Adding to 22270023 its reverse (32007222), we get a palindrome (54277245).

The spelling of 22270023 in words is "twenty-two million, two hundred seventy thousand, twenty-three".