22237002 has 12 divisors (see below), whose sum is σ = 48180210. Its totient is φ = 7412328.

The previous prime is 22236971. The next prime is 22237027. The reversal of 22237002 is 20073222.

It can be written as a sum of positive squares in only one way, i.e., 15992001 + 6245001 = 3999^2 + 2499^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1235389 = 22237002 / (2 + 2 + 2 + 3 + 7 + 0 + 0 + 2).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 617677 + ... + 617712.

Almost surely, 2^22237002 is an apocalyptic number.

22237002 is an abundant number, since it is smaller than the sum of its proper divisors (25943208).

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

22237002 is a wasteful number, since it uses less digits than its factorization.

22237002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235397 (or 1235394 counting only the distinct ones).

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

The square root of 22237002 is about 4715.6125795065. The cubic root of 22237002 is about 281.2065366911.

The spelling of 22237002 in words is "twenty-two million, two hundred thirty-seven thousand, two".