22011343451 has 8 divisors (see below), whose sum is σ = 22438515024. Its totient is φ = 21584611360.

The previous prime is 22011343433. The next prime is 22011343457. The reversal of 22011343451 is 15434311022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22011343451 - 2¹⁴ = 22011327067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22011343451.

It is not an unprimeable number, because it can be changed into a prime (22011343457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7820 + ... + 209961.

It is an arithmetic number, because the mean of its divisors is an integer number (2804814378).

Almost surely, 2^22011343451 is an apocalyptic number.

22011343451 is a deficient number, since it is larger than the sum of its proper divisors (427171573).

22011343451 is a wasteful number, since it uses less digits than its factorization.

22011343451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219741.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 22011343451 its reverse (15434311022), we get a palindrome (37445654473).

The spelling of 22011343451 in words is "twenty-two billion, eleven million, three hundred forty-three thousand, four hundred fifty-one".