22463406 has 112 divisors (see below), whose sum is σ = 60438528. Its totient is φ = 6123600.

The previous prime is 22463401. The next prime is 22463411. The reversal of 22463406 is 60436422.

22463406 is a `hidden beast` number, since 2 + 24 + 634 + 0 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (22463401) and next prime (22463411).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22463406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22463401) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 316351 + ... + 316421.

Almost surely, 2^22463406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22463406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30219264).

22463406 is an abundant number, since it is smaller than the sum of its proper divisors (37975122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22463406 is an equidigital number, since it uses as much as digits as its factorization.

22463406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 22463406 is about 4739.5575742890. The cubic root of 22463406 is about 282.1576755160.

Adding to 22463406 its reverse (60436422), we get a palindrome (82899828).

The spelling of 22463406 in words is "twenty-two million, four hundred sixty-three thousand, four hundred six".