22266824 has 8 divisors (see below), whose sum is σ = 41750310. Its totient is φ = 11133408.

The previous prime is 22266823. The next prime is 22266833. The reversal of 22266824 is 42866222.

It can be written as a sum of positive squares in only one way, i.e., 21325924 + 940900 = 4618^2 + 970^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×22266824² = 991622902093952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22266823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1391669 + ... + 1391684.

Almost surely, 2^22266824 is an apocalyptic number.

It is an amenable number.

22266824 is a deficient number, since it is larger than the sum of its proper divisors (19483486).

22266824 is a wasteful number, since it uses less digits than its factorization.

22266824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783359 (or 2783355 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

The square root of 22266824 is about 4718.7735694776. The cubic root of 22266824 is about 281.3321890497.

The spelling of 22266824 in words is "twenty-two million, two hundred sixty-six thousand, eight hundred twenty-four".