2238954078 has 16 divisors (see below), whose sum is σ = 4506431760. Its totient is φ = 741564096.

The previous prime is 2238954061. The next prime is 2238954083. The reversal of 2238954078 is 8704598322.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1187463 + ... + 1189346.

It is an arithmetic number, because the mean of its divisors is an integer number (281651985).

Almost surely, 2^2238954078 is an apocalyptic number.

2238954078 is an abundant number, since it is smaller than the sum of its proper divisors (2267477682).

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

2238954078 is a wasteful number, since it uses less digits than its factorization.

2238954078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376971.

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 2238954078 is about 47317.5874067983. The cubic root of 2238954078 is about 1308.2228447389. Note that the first 3 decimals are identical.

It can be divided in two parts, 22389 and 54078, that added together give a palindrome (76467).

The spelling of 2238954078 in words is "two billion, two hundred thirty-eight million, nine hundred fifty-four thousand, seventy-eight".