22439066 has 12 divisors (see below), whose sum is σ = 36286782. Its totient is φ = 10345344.

The previous prime is 22439059. The next prime is 22439083. The reversal of 22439066 is 66093422.

It can be written as a sum of positive squares in 3 ways, for example, as 2449225 + 19989841 = 1565^2 + 4471^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23690 + ... + 24618.

Almost surely, 2^22439066 is an apocalyptic number.

22439066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22439066 is a deficient number, since it is larger than the sum of its proper divisors (13847716).

22439066 is an frugal number, since it uses more digits than its factorization.

22439066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873 (or 944 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 22439066 is about 4736.9891281277. The cubic root of 22439066 is about 282.0557289723.

The spelling of 22439066 in words is "twenty-two million, four hundred thirty-nine thousand, sixty-six".