22447036 has 6 divisors (see below), whose sum is σ = 39282320. Its totient is φ = 11223516.

The previous prime is 22447027. The next prime is 22447079. The reversal of 22447036 is 63074422.

It is a junction number, because it is equal to n+sod(n) for n = 22446995 and 22447013.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2805876 + ... + 2805883.

Almost surely, 2^22447036 is an apocalyptic number.

It is an amenable number.

22447036 is a deficient number, since it is larger than the sum of its proper divisors (16835284).

22447036 is a wasteful number, since it uses less digits than its factorization.

22447036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5611763 (or 5611761 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 22447036 is about 4737.8303051080. The cubic root of 22447036 is about 282.0891189251.

The spelling of 22447036 in words is "twenty-two million, four hundred forty-seven thousand, thirty-six".