22229937 has 16 divisors (see below), whose sum is σ = 34366080. Its totient is φ = 14175216.

The previous prime is 22229927. The next prime is 22229939. The reversal of 22229937 is 73992222.

It is a happy number.

It is not a de Polignac number, because 22229937 - 2⁶ = 22229873 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22229939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17278 + ... + 18519.

It is an arithmetic number, because the mean of its divisors is an integer number (2147880).

Almost surely, 2^22229937 is an apocalyptic number.

22229937 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

22229937 is a deficient number, since it is larger than the sum of its proper divisors (12136143).

22229937 is a wasteful number, since it uses less digits than its factorization.

22229937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35829 (or 35823 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 22229937 is about 4714.8634126558. The cubic root of 22229937 is about 281.1767524809.

The spelling of 22229937 in words is "twenty-two million, two hundred twenty-nine thousand, nine hundred thirty-seven".