220602399 has 16 divisors (see below), whose sum is σ = 303550080. Its totient is φ = 142400160.

The previous prime is 220602383. The next prime is 220602409. The reversal of 220602399 is 993206022.

It is a happy number.

It is not a de Polignac number, because 220602399 - 2⁴ = 220602383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220602379) 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, 18712 + ... + 28130.

It is an arithmetic number, because the mean of its divisors is an integer number (18971880).

Almost surely, 2^220602399 is an apocalyptic number.

220602399 is a deficient number, since it is larger than the sum of its proper divisors (82947681).

220602399 is a wasteful number, since it uses less digits than its factorization.

220602399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9670.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 220602399 is about 14852.6899583880. The cubic root of 220602399 is about 604.2315668011.

The spelling of 220602399 in words is "two hundred twenty million, six hundred two thousand, three hundred ninety-nine".