22421211212422 has 16 divisors (see below), whose sum is σ = 37052514662544. Its totient is φ = 10090554100000.

The previous prime is 22421211212401. The next prime is 22421211212443.

It is a happy number.

22421211212422 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (22421211212401) and next prime (22421211212443).

It is a super-2 number, since 2×22421211212422² (a number of 28 digits) contains 22 as substring.

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, 5045274829 + ... + 5045279272.

It is an arithmetic number, because the mean of its divisors is an integer number (2315782166409).

Almost surely, 2^{22421211212422} is an apocalyptic number.

22421211212422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22421211212422 is a deficient number, since it is larger than the sum of its proper divisors (14631303450122).

22421211212422 is a wasteful number, since it uses less digits than its factorization.

22421211212422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10090554215.

The product of its digits is 4096, while the sum is 28.

It can be divided in two parts, 2242121 and 1212422, that added together give a palindrome (3454543).

The spelling of 22421211212422 in words is "twenty-two trillion, four hundred twenty-one billion, two hundred eleven million, two hundred twelve thousand, four hundred twenty-two".