2215427420 has 24 divisors (see below), whose sum is σ = 4926068784. Its totient is φ = 834043136.

The previous prime is 2215427419. The next prime is 2215427443. The reversal of 2215427420 is 247245122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3257642 + ... + 3258321.

It is an arithmetic number, because the mean of its divisors is an integer number (205252866).

Almost surely, 2^2215427420 is an apocalyptic number.

2215427420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2215427420 is an abundant number, since it is smaller than the sum of its proper divisors (2710641364).

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

2215427420 is a wasteful number, since it uses less digits than its factorization.

2215427420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6515989 (or 6515987 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 2215427420 is about 47068.3271425701. The cubic root of 2215427420 is about 1303.6244849134.

The spelling of 2215427420 in words is "two billion, two hundred fifteen million, four hundred twenty-seven thousand, four hundred twenty".