2102022456 has 32 divisors (see below), whose sum is σ = 5424576000. Its totient is φ = 678071520.

The previous prime is 2102022437. The next prime is 2102022469. The reversal of 2102022456 is 6542202012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1411906 + ... + 1413393.

It is an arithmetic number, because the mean of its divisors is an integer number (169518000).

Almost surely, 2^2102022456 is an apocalyptic number.

It is an amenable number.

2102022456 is an abundant number, since it is smaller than the sum of its proper divisors (3322553544).

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

2102022456 is a wasteful number, since it uses less digits than its factorization.

2102022456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825339 (or 2825335 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2102022456 is about 45847.8184431931. The cubic root of 2102022456 is about 1280.9901307071.

Adding to 2102022456 its reverse (6542202012), we get a palindrome (8644224468).

The spelling of 2102022456 in words is "two billion, one hundred two million, twenty-two thousand, four hundred fifty-six".