302402222 has 16 divisors (see below), whose sum is σ = 487458000. Its totient is φ = 140181888.

The previous prime is 302402213. The next prime is 302402237. The reversal of 302402222 is 222204203.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 302402222.

It is a congruent number.

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, 64097 + ... + 68652.

It is an arithmetic number, because the mean of its divisors is an integer number (30466125).

Almost surely, 2^302402222 is an apocalyptic number.

302402222 is a deficient number, since it is larger than the sum of its proper divisors (185055778).

302402222 is a wasteful number, since it uses less digits than its factorization.

302402222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132835.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 302402222 is about 17389.7159838797. The cubic root of 302402222 is about 671.2150092440.

Adding to 302402222 its reverse (222204203), we get a palindrome (524606425).

The spelling of 302402222 in words is "three hundred two million, four hundred two thousand, two hundred twenty-two".