2402220237 has 4 divisors (see below), whose sum is σ = 3202960320. Its totient is φ = 1601480156.

The previous prime is 2402220209. The next prime is 2402220239. The reversal of 2402220237 is 7320222042.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2402220237 - 2³¹ = 254736589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2402220239) 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 3 ways as a sum of consecutive naturals, for example, 400370037 + ... + 400370042.

It is an arithmetic number, because the mean of its divisors is an integer number (800740080).

Almost surely, 2^2402220237 is an apocalyptic number.

It is an amenable number.

2402220237 is a deficient number, since it is larger than the sum of its proper divisors (800740083).

2402220237 is an equidigital number, since it uses as much as digits as its factorization.

2402220237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800740082.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 2402220237 is about 49012.4498163477. The cubic root of 2402220237 is about 1339.2786339742.

Adding to 2402220237 its reverse (7320222042), we get a palindrome (9722442279).

The spelling of 2402220237 in words is "two billion, four hundred two million, two hundred twenty thousand, two hundred thirty-seven".