22154342115426 has 8 divisors (see below), whose sum is σ = 44308684230864. Its totient is φ = 7384780705140.

The previous prime is 22154342115379. The next prime is 22154342115439. The reversal of 22154342115426 is 62451124345122.

It is a sphenic number, since it is the product of 3 distinct primes.

22154342115426 is an admirable number.

It is a super-2 number, since 2×22154342115426² (a number of 27 digits) contains 22 as substring.

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, 1846195176280 + ... + 1846195176291.

It is an arithmetic number, because the mean of its divisors is an integer number (5538585528858).

Almost surely, 2^{22154342115426} is an apocalyptic number.

22154342115426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22154342115426 is a wasteful number, since it uses less digits than its factorization.

22154342115426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3692390352576.

The product of its digits is 460800, while the sum is 42.

The spelling of 22154342115426 in words is "twenty-two trillion, one hundred fifty-four billion, three hundred forty-two million, one hundred fifteen thousand, four hundred twenty-six".