22413402 has 64 divisors (see below), whose sum is σ = 55036800. Its totient is φ = 6704640.

The previous prime is 22413401. The next prime is 22413427. The reversal of 22413402 is 20431422.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22413401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57424 + ... + 57812.

It is an arithmetic number, because the mean of its divisors is an integer number (859950).

Almost surely, 2^22413402 is an apocalyptic number.

22413402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22413402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27518400).

22413402 is an abundant number, since it is smaller than the sum of its proper divisors (32623398).

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

22413402 is a wasteful number, since it uses less digits than its factorization.

22413402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 22413402 is about 4734.2794594320. The cubic root of 22413402 is about 281.9481570610.

Adding to 22413402 its reverse (20431422), we get a palindrome (42844824).

The spelling of 22413402 in words is "twenty-two million, four hundred thirteen thousand, four hundred two".