202221100022 has 4 divisors (see below), whose sum is σ = 303331650036. Its totient is φ = 101110550010.

The previous prime is 202221100013. The next prime is 202221100031. The reversal of 202221100022 is 220001122202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220001122202 = 2 ⋅110000561101.

It is an interprime number because it is at equal distance from previous prime (202221100013) and next prime (202221100031).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555275004 + ... + 50555275007.

It is an arithmetic number, because the mean of its divisors is an integer number (75832912509).

Almost surely, 2^202221100022 is an apocalyptic number.

202221100022 is a deficient number, since it is larger than the sum of its proper divisors (101110550014).

202221100022 is a wasteful number, since it uses less digits than its factorization.

202221100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101110550013.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202221100022 its reverse (220001122202), we get a palindrome (422222222224).

The spelling of 202221100022 in words is "two hundred two billion, two hundred twenty-one million, one hundred thousand, twenty-two".