22466426252421 has 4 divisors (see below), whose sum is σ = 29955235003232. Its totient is φ = 14977617501612.

The previous prime is 22466426252419. The next prime is 22466426252443. The reversal of 22466426252421 is 12425262466422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 22466426252421 - 2¹ = 22466426252419 is a prime.

It is a super-2 number, since 2×22466426252421² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22466426202421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3744404375401 + ... + 3744404375406.

It is an arithmetic number, because the mean of its divisors is an integer number (7488808750808).

Almost surely, 2^{22466426252421} is an apocalyptic number.

It is an amenable number.

22466426252421 is a deficient number, since it is larger than the sum of its proper divisors (7488808750811).

22466426252421 is an equidigital number, since it uses as much as digits as its factorization.

22466426252421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7488808750810.

The product of its digits is 4423680, while the sum is 48.

The spelling of 22466426252421 in words is "twenty-two trillion, four hundred sixty-six billion, four hundred twenty-six million, two hundred fifty-two thousand, four hundred twenty-one".