2538228164 has 24 divisors (see below), whose sum is σ = 4789730400. Its totient is φ = 1172992320.

The previous prime is 2538228149. The next prime is 2538228169. The reversal of 2538228164 is 4618228352.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (2538228169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404174 + ... + 410405.

It is an arithmetic number, because the mean of its divisors is an integer number (199572100).

Almost surely, 2^2538228164 is an apocalyptic number.

It is an amenable number.

2538228164 is a deficient number, since it is larger than the sum of its proper divisors (2251502236).

2538228164 is a wasteful number, since it uses less digits than its factorization.

2538228164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814643 (or 814641 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 2538228164 is about 50380.8313150944. The cubic root of 2538228164 is about 1364.0916575691.

The spelling of 2538228164 in words is "two billion, five hundred thirty-eight million, two hundred twenty-eight thousand, one hundred sixty-four".