22402131409 has 8 divisors (see below), whose sum is σ = 26226885888. Its totient is φ = 18733489440.

The previous prime is 22402131383. The next prime is 22402131413. The reversal of 22402131409 is 90413120422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22402131409 - 2³¹ = 20254647761 is a prime.

It is a super-2 number, since 2×22402131409² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22402131109) 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, 39027817 + ... + 39028390.

It is an arithmetic number, because the mean of its divisors is an integer number (3278360736).

Almost surely, 2^22402131409 is an apocalyptic number.

It is an amenable number.

22402131409 is a deficient number, since it is larger than the sum of its proper divisors (3824754479).

22402131409 is an equidigital number, since it uses as much as digits as its factorization.

22402131409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78056255.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 22402131409 in words is "twenty-two billion, four hundred two million, one hundred thirty-one thousand, four hundred nine".