22001212122022 has 16 divisors (see below), whose sum is σ = 39701435408640. Its totient is φ = 8932822966728.

The previous prime is 22001212121981. The next prime is 22001212122037. The reversal of 22001212122022 is 22022121210022.

It is a Harshad number since it is a multiple of its sum of digits (19).

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, 41355661618 + ... + 41355662149.

It is an arithmetic number, because the mean of its divisors is an integer number (2481339713040).

Almost surely, 2^{22001212122022} is an apocalyptic number.

22001212122022 is a deficient number, since it is larger than the sum of its proper divisors (17700223286618).

22001212122022 is a wasteful number, since it uses less digits than its factorization.

22001212122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82711323795.

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

Adding to 22001212122022 its reverse (22022121210022), we get a palindrome (44023333332044).

The spelling of 22001212122022 in words is "twenty-two trillion, one billion, two hundred twelve million, one hundred twenty-two thousand, twenty-two".