22705412 has 12 divisors (see below), whose sum is σ = 40484556. Its totient is φ = 11138400.

The previous prime is 22705391. The next prime is 22705427. The reversal of 22705412 is 21450722.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7150276 + 15555136 = 2674^2 + 3944^2 .

It is a congruent number.

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, 53339 + ... + 53762.

It is an arithmetic number, because the mean of its divisors is an integer number (3373713).

Almost surely, 2^22705412 is an apocalyptic number.

It is an amenable number.

22705412 is a deficient number, since it is larger than the sum of its proper divisors (17779144).

22705412 is a wasteful number, since it uses less digits than its factorization.

22705412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107158 (or 107156 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 22705412 is about 4765.0196222051. The cubic root of 22705412 is about 283.1673189702.

The spelling of 22705412 in words is "twenty-two million, seven hundred five thousand, four hundred twelve".