2251338000 has 80 divisors (see below), whose sum is σ = 7258333056. Its totient is φ = 600355200.

The previous prime is 2251337983. The next prime is 2251338029. The reversal of 2251338000 is 8331522.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181612 + ... + 193611.

Almost surely, 2^2251338000 is an apocalyptic number.

2251338000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2251338000 is an abundant number, since it is smaller than the sum of its proper divisors (5006995056).

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

2251338000 is a wasteful number, since it uses less digits than its factorization.

2251338000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375249 (or 375233 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2251338000 is about 47448.2665647545. The cubic root of 2251338000 is about 1310.6303902258.

Adding to 2251338000 its reverse (8331522), we get a palindrome (2259669522).

The spelling of 2251338000 in words is "two billion, two hundred fifty-one million, three hundred thirty-eight thousand".