2242020465 has 20 divisors (see below), whose sum is σ = 4019030004. Its totient is φ = 1195744032.

The previous prime is 2242020419. The next prime is 2242020491. The reversal of 2242020465 is 5640202422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1290174561 + 951845904 = 35919^2 + 30852^2 .

It is not a de Polignac number, because 2242020465 - 2⁹ = 2242019953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2767522 + ... + 2768331.

Almost surely, 2^2242020465 is an apocalyptic number.

It is an amenable number.

2242020465 is a deficient number, since it is larger than the sum of its proper divisors (1777009539).

2242020465 is an equidigital number, since it uses as much as digits as its factorization.

2242020465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5535870 (or 5535861 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 2242020465 is about 47349.9785110828. The cubic root of 2242020465 is about 1308.8198031751.

Adding to 2242020465 its reverse (5640202422), we get a palindrome (7882222887).

The spelling of 2242020465 in words is "two billion, two hundred forty-two million, twenty thousand, four hundred sixty-five".