22252014251 has 4 divisors (see below), whose sum is σ = 22253665104. Its totient is φ = 22250363400.

The previous prime is 22252014247. The next prime is 22252014269. The reversal of 22252014251 is 15241025222.

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 22252014251 - 2² = 22252014247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22252014251.

It is not an unprimeable number, because it can be changed into a prime (22252014151) 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, 805040 + ... + 832221.

It is an arithmetic number, because the mean of its divisors is an integer number (5563416276).

Almost surely, 2^22252014251 is an apocalyptic number.

22252014251 is a deficient number, since it is larger than the sum of its proper divisors (1650853).

22252014251 is a wasteful number, since it uses less digits than its factorization.

22252014251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650852.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 22252014251 its reverse (15241025222), we get a palindrome (37493039473).

The spelling of 22252014251 in words is "twenty-two billion, two hundred fifty-two million, fourteen thousand, two hundred fifty-one".