2216425464 has 64 divisors (see below), whose sum is σ = 6716448000. Its totient is φ = 671643360.

The previous prime is 2216425457. The next prime is 2216425469. The reversal of 2216425464 is 4645246122.

2216425464 is a `hidden beast` number, since 2 + 2 + 1 + 642 + 5 + 4 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216425469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464044 + ... + 468795.

It is an arithmetic number, because the mean of its divisors is an integer number (104944500).

Almost surely, 2^2216425464 is an apocalyptic number.

2216425464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2216425464 is an abundant number, since it is smaller than the sum of its proper divisors (4500022536).

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

2216425464 is a wasteful number, since it uses less digits than its factorization.

2216425464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932865 (or 932855 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The square root of 2216425464 is about 47078.9280251792. The cubic root of 2216425464 is about 1303.8202152807.

The spelling of 2216425464 in words is "two billion, two hundred sixteen million, four hundred twenty-five thousand, four hundred sixty-four".