22556770 has 8 divisors (see below), whose sum is σ = 40602204. Its totient is φ = 9022704.

The previous prime is 22556761. The next prime is 22556789. The reversal of 22556770 is 7765522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18584721 + 3972049 = 4311^2 + 1993^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1127829 + ... + 1127848.

Almost surely, 2^22556770 is an apocalyptic number.

22556770 is a deficient number, since it is larger than the sum of its proper divisors (18045434).

22556770 is a wasteful number, since it uses less digits than its factorization.

22556770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255684.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 22556770 is about 4749.3968038057. The cubic root of 22556770 is about 282.5480430991.

It can be divided in two parts, 2255 and 6770, that added together give a square (9025 = 95²).

The spelling of 22556770 in words is "twenty-two million, five hundred fifty-six thousand, seven hundred seventy".