22461402 has 16 divisors (see below), whose sum is σ = 44969760. Its totient is φ = 7479312.

The previous prime is 22461389. The next prime is 22461407. The reversal of 22461402 is 20416422.

It is not an unprimeable number, because it can be changed into a prime (22461407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8893 + ... + 11135.

It is an arithmetic number, because the mean of its divisors is an integer number (2810610).

Almost surely, 2^22461402 is an apocalyptic number.

22461402 is an abundant number, since it is smaller than the sum of its proper divisors (22508358).

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

22461402 is a wasteful number, since it uses less digits than its factorization.

22461402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 22461402 is about 4739.3461574356. The cubic root of 22461402 is about 282.1492846721.

Adding to 22461402 its reverse (20416422), we get a palindrome (42877824).

The spelling of 22461402 in words is "twenty-two million, four hundred sixty-one thousand, four hundred two".