22739463 has 6 divisors (see below), whose sum is σ = 32845904. Its totient is φ = 15159636.

The previous prime is 22739459. The next prime is 22739467. The reversal of 22739463 is 36493722.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22739459) and next prime (22739467).

It is not a de Polignac number, because 22739463 - 2² = 22739459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22739467) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1263295 + ... + 1263312.

Almost surely, 2^22739463 is an apocalyptic number.

22739463 is a deficient number, since it is larger than the sum of its proper divisors (10106441).

22739463 is a wasteful number, since it uses less digits than its factorization.

22739463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526613 (or 2526610 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 22739463 is about 4768.5913014223. The cubic root of 22739463 is about 283.3088023360.

The spelling of 22739463 in words is "twenty-two million, seven hundred thirty-nine thousand, four hundred sixty-three".