22669642 has 4 divisors (see below), whose sum is σ = 34004466. Its totient is φ = 11334820.

The previous prime is 22669609. The next prime is 22669657. The reversal of 22669642 is 24696622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15374241 + 7295401 = 3921^2 + 2701^2 .

It is a super-3 number, since 3×22669642³ (a number of 23 digits) contains 333 as substring.

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, 5667409 + ... + 5667412.

Almost surely, 2^22669642 is an apocalyptic number.

22669642 is a deficient number, since it is larger than the sum of its proper divisors (11334824).

22669642 is a wasteful number, since it uses less digits than its factorization.

22669642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11334823.

The product of its digits is 62208, while the sum is 37.

The square root of 22669642 is about 4761.2647479425. The cubic root of 22669642 is about 283.0185406575.

The spelling of 22669642 in words is "twenty-two million, six hundred sixty-nine thousand, six hundred forty-two".