22055402 has 8 divisors (see below), whose sum is σ = 33106212. Its totient is φ = 11020000.

The previous prime is 22055377. The next prime is 22055489. The reversal of 22055402 is 20455022.

It can be written as a sum of positive squares in 2 ways, for example, as 21911761 + 143641 = 4681^2 + 379^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 902 + ... + 6702.

Almost surely, 2^22055402 is an apocalyptic number.

22055402 is a deficient number, since it is larger than the sum of its proper divisors (11050810).

22055402 is a wasteful number, since it uses less digits than its factorization.

22055402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7704.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 22055402 is about 4696.3179193917. The cubic root of 22055402 is about 280.4389458746.

The spelling of 22055402 in words is "twenty-two million, fifty-five thousand, four hundred two".