2251455030 has 96 divisors (see below), whose sum is σ = 6396848640. Its totient is φ = 544875840.

The previous prime is 2251455023. The next prime is 2251455079. The reversal of 2251455030 is 305541522.

It is a happy number.

It is a super-2 number, since 2×2251455030² = 10138099504224601800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2251454985 and 2251455003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 710229 + ... + 713391.

It is an arithmetic number, because the mean of its divisors is an integer number (66633840).

Almost surely, 2^2251455030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2251455030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3198424320).

2251455030 is an abundant number, since it is smaller than the sum of its proper divisors (4145393610).

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

2251455030 is a wasteful number, since it uses less digits than its factorization.

2251455030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906 (or 3903 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2251455030 is about 47449.4997866152. The cubic root of 2251455030 is about 1310.6530997459.

Adding to 2251455030 its reverse (305541522), we get a palindrome (2556996552).

The spelling of 2251455030 in words is "two billion, two hundred fifty-one million, four hundred fifty-five thousand, thirty".