22121000022262 has 4 divisors (see below), whose sum is σ = 33181500033396. Its totient is φ = 11060500011130.

The previous prime is 22121000022193. The next prime is 22121000022263. The reversal of 22121000022262 is 26222000012122.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121000022263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5530250005564 + ... + 5530250005567.

It is an arithmetic number, because the mean of its divisors is an integer number (8295375008349).

Almost surely, 2^{22121000022262} is an apocalyptic number.

22121000022262 is a deficient number, since it is larger than the sum of its proper divisors (11060500011134).

22121000022262 is a wasteful number, since it uses less digits than its factorization.

22121000022262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11060500011133.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 22121000022262 its reverse (26222000012122), we get a palindrome (48343000034384).

The spelling of 22121000022262 in words is "twenty-two trillion, one hundred twenty-one billion, twenty-two thousand, two hundred sixty-two".