2250440997 has 32 divisors (see below), whose sum is σ = 3635788800. Its totient is φ = 1209489408.

The previous prime is 2250440993. The next prime is 2250441023. The reversal of 2250440997 is 7990440522.

It is not a de Polignac number, because 2250440997 - 2² = 2250440993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2250440993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35173 + ... + 75749.

It is an arithmetic number, because the mean of its divisors is an integer number (113618400).

Almost surely, 2^2250440997 is an apocalyptic number.

It is an amenable number.

2250440997 is a deficient number, since it is larger than the sum of its proper divisors (1385347803).

2250440997 is a wasteful number, since it uses less digits than its factorization.

2250440997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40745.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 2250440997 is about 47438.8131913099. The cubic root of 2250440997 is about 1310.4563018150.

The spelling of 2250440997 in words is "two billion, two hundred fifty million, four hundred forty thousand, nine hundred ninety-seven".