2225251252251 has 24 divisors (see below), whose sum is σ = 3250620491040. Its totient is φ = 1466717890176.

The previous prime is 2225251252249. The next prime is 2225251252261. The reversal of 2225251252251 is 1522521525222.

It is a happy number.

2225251252251 is a `hidden beast` number, since 2 + 2 + 2 + 525 + 125 + 2 + 2 + 5 + 1 = 666.

It is not a de Polignac number, because 2225251252251 - 2¹ = 2225251252249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2225251252261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10861801 + ... + 11064773.

It is an arithmetic number, because the mean of its divisors is an integer number (135442520460).

Almost surely, 2^{2225251252251} is an apocalyptic number.

2225251252251 is a deficient number, since it is larger than the sum of its proper divisors (1025369238789).

2225251252251 is a wasteful number, since it uses less digits than its factorization.

2225251252251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216755 (or 216752 counting only the distinct ones).

The product of its digits is 80000, while the sum is 36.

Adding to 2225251252251 its reverse (1522521525222), we get a palindrome (3747772777473).

The spelling of 2225251252251 in words is "two trillion, two hundred twenty-five billion, two hundred fifty-one million, two hundred fifty-two thousand, two hundred fifty-one".