22446402 has 32 divisors (see below), whose sum is σ = 49213440. Its totient is φ = 6768720.

The previous prime is 22446379. The next prime is 22446439. The reversal of 22446402 is 20464422.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15063 + ... + 16485.

It is an arithmetic number, because the mean of its divisors is an integer number (1537920).

Almost surely, 2^22446402 is an apocalyptic number.

22446402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22446402 is an abundant number, since it is smaller than the sum of its proper divisors (26767038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22446402 is a wasteful number, since it uses less digits than its factorization.

22446402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 22446402 is about 4737.7633963718. The cubic root of 22446402 is about 282.0864631003.

It can be divided in two parts, 2244 and 6402, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 22446402 in words is "twenty-two million, four hundred forty-six thousand, four hundred two".