220222220402 has 16 divisors (see below), whose sum is σ = 336584690712. Its totient is φ = 108027553920.

The previous prime is 220222220399. The next prime is 220222220443. The reversal of 220222220402 is 204022222022.

It can be written as a sum of positive squares in 4 ways, for example, as 214694149201 + 5528071201 = 463351^2 + 74351^2 .

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, 2327702 + ... + 2420462.

Almost surely, 2^220222220402 is an apocalyptic number.

220222220402 is a deficient number, since it is larger than the sum of its proper divisors (116362470310).

220222220402 is a wasteful number, since it uses less digits than its factorization.

220222220402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115213.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 220222220402 its reverse (204022222022), we get a palindrome (424244442424).

The spelling of 220222220402 in words is "two hundred twenty billion, two hundred twenty-two million, two hundred twenty thousand, four hundred two".