22999922 has 24 divisors (see below), whose sum is σ = 38337516. Its totient is φ = 10340000.

The previous prime is 22999919. The next prime is 22999943.

22999922 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 20241001 + 2758921 = 4499^2 + 1661^2 .

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23972 + ... + 24912.

Almost surely, 2^22999922 is an apocalyptic number.

22999922 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22999922 is a deficient number, since it is larger than the sum of its proper divisors (15337594).

22999922 is a wasteful number, since it uses less digits than its factorization.

22999922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066 (or 1055 counting only the distinct ones).

The product of its digits is 104976, while the sum is 44.

The square root of 22999922 is about 4795.8233912437. The cubic root of 22999922 is about 284.3863765042.

It can be divided in two parts, 2299 and 9922, that added together give a palindrome (12221).

The spelling of 22999922 in words is "twenty-two million, nine hundred ninety-nine thousand, nine hundred twenty-two".