2245122878 has 8 divisors (see below), whose sum is σ = 3544930920. Its totient is φ = 1063479240.

The previous prime is 2245122863. The next prime is 2245122881. The reversal of 2245122878 is 8782215422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29541053 + ... + 29541128.

It is an arithmetic number, because the mean of its divisors is an integer number (443116365).

Almost surely, 2^2245122878 is an apocalyptic number.

2245122878 is a deficient number, since it is larger than the sum of its proper divisors (1299808042).

2245122878 is a wasteful number, since it uses less digits than its factorization.

2245122878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59082202.

The product of its digits is 143360, while the sum is 41.

The square root of 2245122878 is about 47382.7276336008. The cubic root of 2245122878 is about 1309.4232214100.

The spelling of 2245122878 in words is "two billion, two hundred forty-five million, one hundred twenty-two thousand, eight hundred seventy-eight".