2022240400 has 30 divisors (see below), whose sum is σ = 4858433522. Its totient is φ = 808896000.

The previous prime is 2022240397. The next prime is 2022240443. The reversal of 2022240400 is 40422202.

It can be written as a sum of positive squares in 3 ways, for example, as 462938256 + 1559302144 = 21516^2 + 39488^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2527401 + ... + 2528200.

Almost surely, 2^2022240400 is an apocalyptic number.

2022240400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2022240400 is an abundant number, since it is smaller than the sum of its proper divisors (2836193122).

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

2022240400 is a wasteful number, since it uses less digits than its factorization.

2022240400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055619 (or 5055608 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2022240400 is about 44969.3273242996. The cubic root of 2022240400 is about 1264.5740362539.

Adding to 2022240400 its reverse (40422202), we get a palindrome (2062662602).

The spelling of 2022240400 in words is "two billion, twenty-two million, two hundred forty thousand, four hundred".