2245511951 has 4 divisors (see below), whose sum is σ = 2266498152. Its totient is φ = 2224525752.

The previous prime is 2245511909. The next prime is 2245511953. The reversal of 2245511951 is 1591155422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1591155422 = 2 ⋅795577711.

It is a cyclic number.

It is not a de Polignac number, because 2245511951 - 2²² = 2241317647 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 (2245511953) 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, 10492940 + ... + 10493153.

It is an arithmetic number, because the mean of its divisors is an integer number (566624538).

Almost surely, 2^2245511951 is an apocalyptic number.

2245511951 is a deficient number, since it is larger than the sum of its proper divisors (20986201).

2245511951 is a wasteful number, since it uses less digits than its factorization.

2245511951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20986200.

The product of its digits is 18000, while the sum is 35.

The square root of 2245511951 is about 47386.8330973911. The cubic root of 2245511951 is about 1309.4988567348.

The spelling of 2245511951 in words is "two billion, two hundred forty-five million, five hundred eleven thousand, nine hundred fifty-one".