22939706 has 8 divisors (see below), whose sum is σ = 34824384. Its totient is φ = 11331580.

The previous prime is 22939703. The next prime is 22939711. The reversal of 22939706 is 60793922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22939706² = 1052460222732872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22939706.

It is not an unprimeable number, because it can be changed into a prime (22939703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68930 + ... + 69261.

It is an arithmetic number, because the mean of its divisors is an integer number (4353048).

Almost surely, 2^22939706 is an apocalyptic number.

22939706 is a deficient number, since it is larger than the sum of its proper divisors (11884678).

22939706 is a wasteful number, since it uses less digits than its factorization.

22939706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138276.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 22939706 is about 4789.5413141553. The cubic root of 22939706 is about 284.1379760031.

The spelling of 22939706 in words is "twenty-two million, nine hundred thirty-nine thousand, seven hundred six".