22007100551 has 4 divisors (see below), whose sum is σ = 22012257504. Its totient is φ = 22001943600.

The previous prime is 22007100481. The next prime is 22007100587. The reversal of 22007100551 is 15500170022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22007100551 - 2²⁶ = 21939991687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22007100751) 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, 2572070 + ... + 2580611.

It is an arithmetic number, because the mean of its divisors is an integer number (5503064376).

Almost surely, 2^22007100551 is an apocalyptic number.

22007100551 is a deficient number, since it is larger than the sum of its proper divisors (5156953).

22007100551 is an equidigital number, since it uses as much as digits as its factorization.

22007100551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5156952.

The product of its (nonzero) digits is 700, while the sum is 23.

Adding to 22007100551 its reverse (15500170022), we get a palindrome (37507270573).

The spelling of 22007100551 in words is "twenty-two billion, seven million, one hundred thousand, five hundred fifty-one".