225049019370 has 480 divisors, whose sum is σ = 705811665600. Its totient is φ = 45785198592.

The previous prime is 225049019359. The next prime is 225049019383. The reversal of 225049019370 is 73910940522.

It is a super-2 number, since 2×225049019370² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 395516446 + ... + 395517014.

It is an arithmetic number, because the mean of its divisors is an integer number (1470440970).

Almost surely, 2^225049019370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225049019370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352905832800).

225049019370 is an abundant number, since it is smaller than the sum of its proper divisors (480762646230).

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

225049019370 is a wasteful number, since it uses less digits than its factorization.

225049019370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

Adding to 225049019370 its reverse (73910940522), we get a palindrome (298959959892).

The spelling of 225049019370 in words is "two hundred twenty-five billion, forty-nine million, nineteen thousand, three hundred seventy".