64428202 has 16 divisors (see below), whose sum is σ = 101959200. Its totient is φ = 30449520.

The previous prime is 64428197. The next prime is 64428229. The reversal of 64428202 is 20282446.

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, 17677 + ... + 21007.

It is an arithmetic number, because the mean of its divisors is an integer number (6372450).

Almost surely, 2^64428202 is an apocalyptic number.

64428202 is a deficient number, since it is larger than the sum of its proper divisors (37530998).

64428202 is a wasteful number, since it uses less digits than its factorization.

64428202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 64428202 is about 8026.7180092489. The cubic root of 64428202 is about 400.8901053121.

The spelling of 64428202 in words is "sixty-four million, four hundred twenty-eight thousand, two hundred two".