22047908 has 6 divisors (see below), whose sum is σ = 38583846. Its totient is φ = 11023952.

The previous prime is 22047899. The next prime is 22047911. The reversal of 22047908 is 80974022.

It can be written as a sum of positive squares in only one way, i.e., 21141604 + 906304 = 4598^2 + 952^2 .

It is a super-2 number, since 2×22047908² = 972220494352928, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755985 + ... + 2755992.

It is an arithmetic number, because the mean of its divisors is an integer number (6430641).

Almost surely, 2^22047908 is an apocalyptic number.

It is an amenable number.

22047908 is a deficient number, since it is larger than the sum of its proper divisors (16535938).

22047908 is a wasteful number, since it uses less digits than its factorization.

22047908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5511981 (or 5511979 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 22047908 is about 4695.5199925035. The cubic root of 22047908 is about 280.4071796957.

The spelling of 22047908 in words is "twenty-two million, forty-seven thousand, nine hundred eight".