22200628 has 6 divisors (see below), whose sum is σ = 38851106. Its totient is φ = 11100312.

The previous prime is 22200617. The next prime is 22200641. The reversal of 22200628 is 82600222.

It can be written as a sum of positive squares in only one way, i.e., 16305444 + 5895184 = 4038^2 + 2428^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22200599 and 22200608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775075 + ... + 2775082.

Almost surely, 2^22200628 is an apocalyptic number.

It is an amenable number.

22200628 is a deficient number, since it is larger than the sum of its proper divisors (16650478).

22200628 is a wasteful number, since it uses less digits than its factorization.

22200628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550161 (or 5550159 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 22200628 is about 4711.7542380731. The cubic root of 22200628 is about 281.0531258917.

The spelling of 22200628 in words is "twenty-two million, two hundred thousand, six hundred twenty-eight".