2562220836 has 120 divisors (see below), whose sum is σ = 7671624576. Its totient is φ = 730477440.

The previous prime is 2562220819. The next prime is 2562220853. The reversal of 2562220836 is 6380222652.

2562220836 is a `hidden beast` number, since 2 + 5 + 622 + 20 + 8 + 3 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (2562220819) and next prime (2562220853).

It is a super-2 number, since 2×2562220836² = 13129951224865077792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2562220836.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1398441 + ... + 1400271.

Almost surely, 2^2562220836 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 2562220836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3835812288).

2562220836 is an abundant number, since it is smaller than the sum of its proper divisors (5109403740).

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

2562220836 is a wasteful number, since it uses less digits than its factorization.

2562220836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471 (or 2460 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 2562220836 is about 50618.3843677374. The cubic root of 2562220836 is about 1368.3762238539.

The spelling of 2562220836 in words is "two billion, five hundred sixty-two million, two hundred twenty thousand, eight hundred thirty-six".