22451463 has 6 divisors (see below), whose sum is σ = 32429904. Its totient is φ = 14967636.

The previous prime is 22451459. The next prime is 22451467. The reversal of 22451463 is 36415422.

It is an interprime number because it is at equal distance from previous prime (22451459) and next prime (22451467).

It is not a de Polignac number, because 22451463 - 2² = 22451459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22451467) 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, 1247295 + ... + 1247312.

It is an arithmetic number, because the mean of its divisors is an integer number (5404984).

Almost surely, 2^22451463 is an apocalyptic number.

22451463 is a deficient number, since it is larger than the sum of its proper divisors (9978441).

22451463 is a wasteful number, since it uses less digits than its factorization.

22451463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494613 (or 2494610 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 22451463 is about 4738.2974790530. The cubic root of 22451463 is about 282.1076622262.

Adding to 22451463 its reverse (36415422), we get a palindrome (58866885).

The spelling of 22451463 in words is "twenty-two million, four hundred fifty-one thousand, four hundred sixty-three".