2022012500 has 36 divisors (see below), whose sum is σ = 4422896604. Its totient is φ = 808800000.

The previous prime is 2022012493. The next prime is 2022012511. The reversal of 2022012500 is 52102202.

It can be written as a sum of positive squares in 6 ways, for example, as 1694474896 + 327537604 = 41164^2 + 18098^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68381 + ... + 93380.

It is an arithmetic number, because the mean of its divisors is an integer number (122858239).

Almost surely, 2^2022012500 is an apocalyptic number.

2022012500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2022012500 is an abundant number, since it is smaller than the sum of its proper divisors (2400884104).

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

2022012500 is an equidigital number, since it uses as much as digits as its factorization.

2022012500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161790 (or 161768 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2022012500 is about 44966.7933035034. The cubic root of 2022012500 is about 1264.5265299914.

Adding to 2022012500 its reverse (52102202), we get a palindrome (2074114702).

The spelling of 2022012500 in words is "two billion, twenty-two million, twelve thousand, five hundred".