22736660321340 has 336 divisors, whose sum is σ = 81890216497152. Its totient is φ = 5192144592768.

The previous prime is 22736660321311. The next prime is 22736660321341. The reversal of 22736660321340 is 4312306663722.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22736660321341) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 110836747 + ... + 111041693.

It is an arithmetic number, because the mean of its divisors is an integer number (243720882432).

Almost surely, 2^{22736660321340} is an apocalyptic number.

22736660321340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22736660321340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40945108248576).

22736660321340 is an abundant number, since it is smaller than the sum of its proper divisors (59153556175812).

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

22736660321340 is a wasteful number, since it uses less digits than its factorization.

22736660321340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206068 (or 206051 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 45.

The spelling of 22736660321340 in words is "twenty-two trillion, seven hundred thirty-six billion, six hundred sixty million, three hundred twenty-one thousand, three hundred forty".