22246297929792 has 336 divisors, whose sum is σ = 68161197192192. Its totient is φ = 6912610467840.

The previous prime is 22246297929773. The next prime is 22246297929881. The reversal of 22246297929792 is 29792979264222.

22246297929792 is a `hidden beast` number, since 2 + 2 + 2 + 46 + 297 + 9 + 297 + 9 + 2 = 666.

It is a super-2 number, since 2×22246297929792² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 22246297929792.

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, 1778132817 + ... + 1778145327.

Almost surely, 2^{22246297929792} 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 22246297929792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34080598596096).

22246297929792 is an abundant number, since it is smaller than the sum of its proper divisors (45914899262400).

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

22246297929792 is a wasteful number, since it uses less digits than its factorization.

22246297929792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14266 (or 14253 counting only the distinct ones).

The product of its digits is 493807104, while the sum is 72.

The spelling of 22246297929792 in words is "twenty-two trillion, two hundred forty-six billion, two hundred ninety-seven million, nine hundred twenty-nine thousand, seven hundred ninety-two".