22116993921270 has 96 divisors (see below), whose sum is σ = 59654904341760. Its totient is φ = 5895794498400.

The previous prime is 22116993921251. The next prime is 22116993921271. The reversal of 22116993921270 is 7212939961122.

It is a happy number.

22116993921270 is a `hidden beast` number, since 2 + 21 + 169 + 9 + 392 + 1 + 2 + 70 = 666.

It is a super-2 number, since 2×22116993921270² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22116993921271) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5331711 + ... + 8524149.

It is an arithmetic number, because the mean of its divisors is an integer number (621405253560).

Almost surely, 2^{22116993921270} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22116993921270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29827452170880).

22116993921270 is an abundant number, since it is smaller than the sum of its proper divisors (37537910420490).

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

22116993921270 is a wasteful number, since it uses less digits than its factorization.

22116993921270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195312 (or 3195300 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The spelling of 22116993921270 in words is "twenty-two trillion, one hundred sixteen billion, nine hundred ninety-three million, nine hundred twenty-one thousand, two hundred seventy".