22021220211022 has 8 divisors (see below), whose sum is σ = 34974879158736. Its totient is φ = 10362927158112.

The previous prime is 22021220210963. The next prime is 22021220211049. The reversal of 22021220211022 is 22011202212022.

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, 323841473658 + ... + 323841473725.

It is an arithmetic number, because the mean of its divisors is an integer number (4371859894842).

Almost surely, 2^{22021220211022} is an apocalyptic number.

22021220211022 is a deficient number, since it is larger than the sum of its proper divisors (12953658947714).

22021220211022 is a wasteful number, since it uses less digits than its factorization.

22021220211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647682947402.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22021220211022 its reverse (22011202212022), we get a palindrome (44032422423044).

The spelling of 22021220211022 in words is "twenty-two trillion, twenty-one billion, two hundred twenty million, two hundred eleven thousand, twenty-two".