2219952465 has 48 divisors (see below), whose sum is σ = 3995334720. Its totient is φ = 1138919040.

The previous prime is 2219952437. The next prime is 2219952481. The reversal of 2219952465 is 5642599122.

It is not a de Polignac number, because 2219952465 - 2⁷ = 2219952337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2219952465.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 366310 + ... + 372320.

It is an arithmetic number, because the mean of its divisors is an integer number (83236140).

Almost surely, 2^2219952465 is an apocalyptic number.

It is an amenable number.

2219952465 is a deficient number, since it is larger than the sum of its proper divisors (1775382255).

2219952465 is a wasteful number, since it uses less digits than its factorization.

2219952465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6334 (or 6331 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 2219952465 is about 47116.3715177644. The cubic root of 2219952465 is about 1304.5114390840.

The spelling of 2219952465 in words is "two billion, two hundred nineteen million, nine hundred fifty-two thousand, four hundred sixty-five".