2225451400 has 24 divisors (see below), whose sum is σ = 5174174970. Its totient is φ = 890180480.

The previous prime is 2225451383. The next prime is 2225451421. The reversal of 2225451400 is 41545222.

It can be written as a sum of positive squares in 3 ways, for example, as 1974735844 + 250715556 = 44438^2 + 15834^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 5563429 + ... + 5563828.

Almost surely, 2^2225451400 is an apocalyptic number.

2225451400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2225451400 is an abundant number, since it is smaller than the sum of its proper divisors (2948723570).

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

2225451400 is a wasteful number, since it uses less digits than its factorization.

2225451400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11127273 (or 11127264 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2225451400 is about 47174.6902480557. The cubic root of 2225451400 is about 1305.5876646463.

Adding to 2225451400 its reverse (41545222), we get a palindrome (2266996622).

The spelling of 2225451400 in words is "two billion, two hundred twenty-five million, four hundred fifty-one thousand, four hundred".