22705570 has 16 divisors (see below), whose sum is σ = 43021440. Its totient is φ = 8604144.

The previous prime is 22705561. The next prime is 22705583. The reversal of 22705570 is 7550722.

22705570 = 128² + 129² + ... + 412².

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 7 ways as a sum of consecutive naturals, for example, 59562 + ... + 59941.

It is an arithmetic number, because the mean of its divisors is an integer number (2688840).

Almost surely, 2^22705570 is an apocalyptic number.

22705570 is a deficient number, since it is larger than the sum of its proper divisors (20315870).

22705570 is a wasteful number, since it uses less digits than its factorization.

22705570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119529.

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 22705570 is about 4765.0362013315. The cubic root of 22705570 is about 283.1679757936.

The spelling of 22705570 in words is "twenty-two million, seven hundred five thousand, five hundred seventy".