22111224004354 has 4 divisors (see below), whose sum is σ = 33166836006534. Its totient is φ = 11055612002176.

The previous prime is 22111224004349. The next prime is 22111224004403. The reversal of 22111224004354 is 45340042211122.

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., 22064298480225 + 46925524129 = 4697265^2 + 216623^2 .

It is a super-2 number, since 2×22111224004354² (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, 5527806001087 + ... + 5527806001090.

Almost surely, 2^{22111224004354} is an apocalyptic number.

22111224004354 is a deficient number, since it is larger than the sum of its proper divisors (11055612002180).

22111224004354 is a wasteful number, since it uses less digits than its factorization.

22111224004354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11055612002179.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 22111224004354 its reverse (45340042211122), we get a palindrome (67451266215476).

The spelling of 22111224004354 in words is "twenty-two trillion, one hundred eleven billion, two hundred twenty-four million, four thousand, three hundred fifty-four".