22351394726136 has 192 divisors, whose sum is σ = 70803338411520. Its totient is φ = 6236581236480.

The previous prime is 22351394726117. The next prime is 22351394726153. The reversal of 22351394726136 is 63162749315322.

22351394726136 is a `hidden beast` number, since 2 + 2 + 3 + 5 + 1 + 39 + 472 + 6 + 136 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138034741 + ... + 138196571.

It is an arithmetic number, because the mean of its divisors is an integer number (368767387560).

Almost surely, 2^{22351394726136} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22351394726136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35401669205760).

22351394726136 is an abundant number, since it is smaller than the sum of its proper divisors (48451943685384).

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

22351394726136 is a wasteful number, since it uses less digits than its factorization.

22351394726136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168266 (or 168259 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 54.

The spelling of 22351394726136 in words is "twenty-two trillion, three hundred fifty-one billion, three hundred ninety-four million, seven hundred twenty-six thousand, one hundred thirty-six".