2285139168 has 96 divisors (see below), whose sum is σ = 7177716000. Its totient is φ = 703116288.

The previous prime is 2285139163. The next prime is 2285139173. The reversal of 2285139168 is 8619315822.

It is an interprime number because it is at equal distance from previous prime (2285139163) and next prime (2285139173).

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×2285139168² = 10443722034255464448, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2285139161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90493 + ... + 112956.

It is an arithmetic number, because the mean of its divisors is an integer number (74767875).

Almost surely, 2^2285139168 is an apocalyptic number.

It is an amenable number.

2285139168 is an abundant number, since it is smaller than the sum of its proper divisors (4892576832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2285139168 is a wasteful number, since it uses less digits than its factorization.

2285139168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203481 (or 203467 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 2285139168 is about 47803.1292699547. The cubic root of 2285139168 is about 1317.1570217666.

The spelling of 2285139168 in words is "two billion, two hundred eighty-five million, one hundred thirty-nine thousand, one hundred sixty-eight".