428060222 has 32 divisors (see below), whose sum is σ = 688089600. Its totient is φ = 199270368.

The previous prime is 428060209. The next prime is 428060239. The reversal of 428060222 is 222060824.

It is a junction number, because it is equal to n+sod(n) for n = 428060191 and 428060200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295103 + ... + 296549.

It is an arithmetic number, because the mean of its divisors is an integer number (21502800).

Almost surely, 2^428060222 is an apocalyptic number.

428060222 is a deficient number, since it is larger than the sum of its proper divisors (260029378).

428060222 is a wasteful number, since it uses less digits than its factorization.

428060222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 428060222 is about 20689.6162845037. The cubic root of 428060222 is about 753.6475485026.

The spelling of 428060222 in words is "four hundred twenty-eight million, sixty thousand, two hundred twenty-two".