22423671 has 6 divisors (see below), whose sum is σ = 32389760. Its totient is φ = 14949108.

The previous prime is 22423657. The next prime is 22423673. The reversal of 22423671 is 17632422.

It is not a de Polignac number, because 22423671 - 2¹⁸ = 22161527 is a prime.

It is a super-2 number, since 2×22423671² = 1005642042232482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22423673) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 1245751 + ... + 1245768.

Almost surely, 2^22423671 is an apocalyptic number.

22423671 is a deficient number, since it is larger than the sum of its proper divisors (9966089).

22423671 is a wasteful number, since it uses less digits than its factorization.

22423671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491525 (or 2491522 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 22423671 is about 4735.3638719744. The cubic root of 22423671 is about 281.9912099267.

The spelling of 22423671 in words is "twenty-two million, four hundred twenty-three thousand, six hundred seventy-one".