2219990725 has 24 divisors (see below), whose sum is σ = 2809052352. Its totient is φ = 1740009600.

The previous prime is 2219990719. The next prime is 2219990743. The reversal of 2219990725 is 5270999122.

It is not a de Polignac number, because 2219990725 - 2¹³ = 2219982533 is a prime.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 285489 + ... + 293161.

It is an arithmetic number, because the mean of its divisors is an integer number (117043848).

Almost surely, 2^2219990725 is an apocalyptic number.

2219990725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2219990725 is a deficient number, since it is larger than the sum of its proper divisors (589061627).

2219990725 is a wasteful number, since it uses less digits than its factorization.

2219990725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7917 (or 7912 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 46.

The square root of 2219990725 is about 47116.7775320002. Note that the first 3 decimals coincide. The cubic root of 2219990725 is about 1304.5189332867.

The spelling of 2219990725 in words is "two billion, two hundred nineteen million, nine hundred ninety thousand, seven hundred twenty-five".