22402432101 has 64 divisors (see below), whose sum is σ = 36309565440. Its totient is φ = 12009201600.

The previous prime is 22402432097. The next prime is 22402432109. The reversal of 22402432101 is 10123420422.

It is not a de Polignac number, because 22402432101 - 2² = 22402432097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22402432109) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19462876 + ... + 19464026.

It is an arithmetic number, because the mean of its divisors is an integer number (567336960).

Almost surely, 2^22402432101 is an apocalyptic number.

22402432101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22402432101 is a deficient number, since it is larger than the sum of its proper divisors (13907133339).

22402432101 is a wasteful number, since it uses less digits than its factorization.

22402432101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926.

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

Adding to 22402432101 its reverse (10123420422), we get a palindrome (32525852523).

The spelling of 22402432101 in words is "twenty-two billion, four hundred two million, four hundred thirty-two thousand, one hundred one".