2238656946 has 8 divisors (see below), whose sum is σ = 4477313904. Its totient is φ = 746218980.

The previous prime is 2238656939. The next prime is 2238656957. The reversal of 2238656946 is 6496568322.

2238656946 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

2238656946 is an admirable 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, 186554740 + ... + 186554751.

It is an arithmetic number, because the mean of its divisors is an integer number (559664238).

Almost surely, 2^2238656946 is an apocalyptic number.

2238656946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2238656946 is a wasteful number, since it uses less digits than its factorization.

2238656946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373109496.

The product of its digits is 3732480, while the sum is 51.

The square root of 2238656946 is about 47314.4475398371. The cubic root of 2238656946 is about 1308.1649706820.

The spelling of 2238656946 in words is "two billion, two hundred thirty-eight million, six hundred fifty-six thousand, nine hundred forty-six".