225701070 has 128 divisors (see below), whose sum is σ = 654925824. Its totient is φ = 48664704.

The previous prime is 225701041. The next prime is 225701081. The reversal of 225701070 is 70107522.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 225701070.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 400609 + ... + 401171.

It is an arithmetic number, because the mean of its divisors is an integer number (5116608).

Almost surely, 2^225701070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225701070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327462912).

225701070 is an abundant number, since it is smaller than the sum of its proper divisors (429224754).

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

225701070 is a wasteful number, since it uses less digits than its factorization.

225701070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 225701070 is about 15023.3508246330. The cubic root of 225701070 is about 608.8512555969.

Adding to 225701070 its reverse (70107522), we get a palindrome (295808592).

The spelling of 225701070 in words is "two hundred twenty-five million, seven hundred one thousand, seventy".