2238388992 has 270 divisors, whose sum is σ = 7767704868. Its totient is φ = 639249408.

The previous prime is 2238388991. The next prime is 2238389033. The reversal of 2238388992 is 2998838322.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2238388991) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1014963 + ... + 1017165.

Almost surely, 2^2238388992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2238388992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3883852434).

2238388992 is an abundant number, since it is smaller than the sum of its proper divisors (5529315876).

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

2238388992 is an equidigital number, since it uses as much as digits as its factorization.

2238388992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245 (or 2215 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 2238388992 is about 47311.6158252918. The cubic root of 2238388992 is about 1308.1127753954.

The spelling of 2238388992 in words is "two billion, two hundred thirty-eight million, three hundred eighty-eight thousand, nine hundred ninety-two".