2223997020 has 96 divisors (see below), whose sum is σ = 7907558400. Its totient is φ = 508341312.

The previous prime is 2223996997. The next prime is 2223997021. The reversal of 2223997020 is 207993222.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223997021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 290400 + ... + 297959.

It is an arithmetic number, because the mean of its divisors is an integer number (82370400).

Almost surely, 2^2223997020 is an apocalyptic number.

2223997020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2223997020 is an abundant number, since it is smaller than the sum of its proper divisors (5683561380).

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

2223997020 is a wasteful number, since it uses less digits than its factorization.

2223997020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588384 (or 588376 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 2223997020 is about 47159.2728951582. The cubic root of 2223997020 is about 1305.3031928641.

The spelling of 2223997020 in words is "two billion, two hundred twenty-three million, nine hundred ninety-seven thousand, twenty".