2642225997 has 8 divisors (see below), whose sum is σ = 3529227744. Its totient is φ = 1758354128.

The previous prime is 2642225959. The next prime is 2642226001. The reversal of 2642225997 is 7995222462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2642225997 - 2⁶ = 2642225933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642225897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780498 + ... + 783875.

It is an arithmetic number, because the mean of its divisors is an integer number (441153468).

Almost surely, 2^2642225997 is an apocalyptic number.

It is an amenable number.

2642225997 is a deficient number, since it is larger than the sum of its proper divisors (887001747).

2642225997 is a wasteful number, since it uses less digits than its factorization.

2642225997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564939.

The product of its digits is 1088640, while the sum is 48.

The square root of 2642225997 is about 51402.5874543296. The cubic root of 2642225997 is about 1382.4729859005.

The spelling of 2642225997 in words is "two billion, six hundred forty-two million, two hundred twenty-five thousand, nine hundred ninety-seven".