4279432220 has 24 divisors (see below), whose sum is σ = 10270637664. Its totient is φ = 1467233856.

The previous prime is 4279432193. The next prime is 4279432229. The reversal of 4279432220 is 222349724.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4279432229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15283547 + ... + 15283826.

It is an arithmetic number, because the mean of its divisors is an integer number (427943236).

Almost surely, 2^4279432220 is an apocalyptic number.

It is an amenable number.

4279432220 is an abundant number, since it is smaller than the sum of its proper divisors (5991205444).

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

4279432220 is a wasteful number, since it uses less digits than its factorization.

4279432220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30567389 (or 30567387 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 4279432220 is about 65417.3694059919. The cubic root of 4279432220 is about 1623.5364773338.

The spelling of 4279432220 in words is "four billion, two hundred seventy-nine million, four hundred thirty-two thousand, two hundred twenty".