2215580451 has 32 divisors (see below), whose sum is σ = 3438160896. Its totient is φ = 1242864000.

The previous prime is 2215580407. The next prime is 2215580531. The reversal of 2215580451 is 1540855122.

It is not a de Polignac number, because 2215580451 - 2⁹ = 2215579939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2215580051) 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, 806941 + ... + 809681.

It is an arithmetic number, because the mean of its divisors is an integer number (107442528).

Almost surely, 2^2215580451 is an apocalyptic number.

2215580451 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2215580451 is a deficient number, since it is larger than the sum of its proper divisors (1222580445).

2215580451 is a wasteful number, since it uses less digits than its factorization.

2215580451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3443.

The product of its (nonzero) digits is 16000, while the sum is 33.

The square root of 2215580451 is about 47069.9527405754. The cubic root of 2215580451 is about 1303.6545002449.

The spelling of 2215580451 in words is "two billion, two hundred fifteen million, five hundred eighty thousand, four hundred fifty-one".