2547220900 has 135 divisors (see below), whose sum is σ = 6511543521. Its totient is φ = 864853920.

The previous prime is 2547220889. The next prime is 2547220943. The reversal of 2547220900 is 90227452.

The square root of 2547220900 is 50470.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 916999524 + 1630221376 = 30282^2 + 40376^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 24730249 + ... + 24730351.

Almost surely, 2^2547220900 is an apocalyptic number.

2547220900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

2547220900 is the 50470-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2547220900

2547220900 is an abundant number, since it is smaller than the sum of its proper divisors (3964322621).

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

2547220900 is an equidigital number, since it uses as much as digits as its factorization.

2547220900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The cubic root of 2547220900 is about 1365.7007140862.

The spelling of 2547220900 in words is "two billion, five hundred forty-seven million, two hundred twenty thousand, nine hundred".