22900023 has 8 divisors (see below), whose sum is σ = 33926000. Its totient is φ = 15266664.

The previous prime is 22900021. The next prime is 22900043. The reversal of 22900023 is 32000922.

It is not a de Polignac number, because 22900023 - 2¹ = 22900021 is a prime.

It is a super-2 number, since 2×22900023² = 1048822106801058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22899969 and 22900005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22900021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424048 + ... + 424101.

It is an arithmetic number, because the mean of its divisors is an integer number (4240750).

Almost surely, 2^22900023 is an apocalyptic number.

22900023 is a deficient number, since it is larger than the sum of its proper divisors (11025977).

22900023 is an equidigital number, since it uses as much as digits as its factorization.

22900023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848158 (or 848152 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 22900023 is about 4785.3968487472. The cubic root of 22900023 is about 283.9740396491.

Adding to 22900023 its reverse (32000922), we get a palindrome (54900945).

The spelling of 22900023 in words is "twenty-two million, nine hundred thousand, twenty-three".