2220694772562 has 96 divisors (see below), whose sum is σ = 5561903318400. Its totient is φ = 627213590784.

The previous prime is 2220694772501. The next prime is 2220694772567. The reversal of 2220694772562 is 2652774960222.

2220694772562 is a `hidden beast` number, since 2 + 2 + 2 + 0 + 6 + 9 + 4 + 7 + 72 + 562 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2220694772499 and 2220694772508.

It is not an unprimeable number, because it can be changed into a prime (2220694772567) 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, 55904364 + ... + 55944072.

It is an arithmetic number, because the mean of its divisors is an integer number (57936492900).

Almost surely, 2^{2220694772562} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220694772562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2780951659200).

2220694772562 is an abundant number, since it is smaller than the sum of its proper divisors (3341208545838).

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

2220694772562 is a wasteful number, since it uses less digits than its factorization.

2220694772562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44800 (or 44797 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 2220694772562 in words is "two trillion, two hundred twenty billion, six hundred ninety-four million, seven hundred seventy-two thousand, five hundred sixty-two".