21220402233022 has 8 divisors (see below), whose sum is σ = 32370105101400. Its totient is φ = 10430367199224.

The previous prime is 21220402233013. The next prime is 21220402233031. The reversal of 21220402233022 is 22033220402212.

It is an interprime number because it is at equal distance from previous prime (21220402233013) and next prime (21220402233031).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89916958497 + ... + 89916958732.

It is an arithmetic number, because the mean of its divisors is an integer number (4046263137675).

Almost surely, 2^{21220402233022} is an apocalyptic number.

21220402233022 is a deficient number, since it is larger than the sum of its proper divisors (11149702868378).

21220402233022 is a wasteful number, since it uses less digits than its factorization.

21220402233022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179833917290.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 21220402233022 its reverse (22033220402212), we get a palindrome (43253622635234).

The spelling of 21220402233022 in words is "twenty-one trillion, two hundred twenty billion, four hundred two million, two hundred thirty-three thousand, twenty-two".