12228502 has 48 divisors (see below), whose sum is σ = 22790880. Its totient is φ = 4907760.

The previous prime is 12228493. The next prime is 12228527. The reversal of 12228502 is 20582221.

It is a super-2 number, since 2×12228502² = 299072522328008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 531663 + ... + 531685.

It is an arithmetic number, because the mean of its divisors is an integer number (474810).

Almost surely, 2^12228502 is an apocalyptic number.

12228502 is a deficient number, since it is larger than the sum of its proper divisors (10562378).

12228502 is a wasteful number, since it uses less digits than its factorization.

12228502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 12228502 is about 3496.9275085423. The cubic root of 12228502 is about 230.3868850841.

The spelling of 12228502 in words is "twelve million, two hundred twenty-eight thousand, five hundred two".