2278587231001 has 9 divisors (see below), whose sum is σ = 2328171802399. Its totient is φ = 2230037214664.

The previous prime is 2278587230957. The next prime is 2278587231047. The reversal of 2278587231001 is 1001327858722.

The square root of 2278587231001 is 1509499.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 31814073225 + 2246773157776 = 178365^2 + 1498924^2 .

It is not a de Polignac number, because 2278587231001 - 2⁹ = 2278587230489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2278587238001) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 70930395 + ... + 70962511.

Almost surely, 2^{2278587231001} is an apocalyptic number.

2278587231001 is the 1509499-th square number.

2278587231001 is the 754750-th centered octagonal number.

It is an amenable number.

2278587231001 is a deficient number, since it is larger than the sum of its proper divisors (49584571398).

2278587231001 is an frugal number, since it uses more digits than its factorization.

2278587231001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64328 (or 32164 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 46.

The spelling of 2278587231001 in words is "two trillion, two hundred seventy-eight billion, five hundred eighty-seven million, two hundred thirty-one thousand, one".