22154006662234 has 4 divisors (see below), whose sum is σ = 33231009993354. Its totient is φ = 11077003331116.

The previous prime is 22154006662201. The next prime is 22154006662243. The reversal of 22154006662234 is 43226660045122.

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

It can be written as a sum of positive squares in only one way, i.e., 11893497203025 + 10260509459209 = 3448695^2 + 3203203^2 .

It is a super-2 number, since 2×22154006662234² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5538501665557 + ... + 5538501665560.

Almost surely, 2^{22154006662234} is an apocalyptic number.

22154006662234 is a deficient number, since it is larger than the sum of its proper divisors (11077003331120).

22154006662234 is a wasteful number, since it uses less digits than its factorization.

22154006662234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11077003331119.

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 22154006662234 in words is "twenty-two trillion, one hundred fifty-four billion, six million, six hundred sixty-two thousand, two hundred thirty-four".