22237146 has 16 divisors (see below), whose sum is σ = 49416000. Its totient is φ = 7412364.

The previous prime is 22237133. The next prime is 22237151. The reversal of 22237146 is 64173222.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205846 + ... + 205953.

It is an arithmetic number, because the mean of its divisors is an integer number (3088500).

Almost surely, 2^22237146 is an apocalyptic number.

22237146 is an abundant number, since it is smaller than the sum of its proper divisors (27178854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22237146 is a wasteful number, since it uses less digits than its factorization.

22237146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411810 (or 411804 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 22237146 is about 4715.6278479117. The cubic root of 22237146 is about 281.2071436922.

The spelling of 22237146 in words is "twenty-two million, two hundred thirty-seven thousand, one hundred forty-six".