225101490 has 16 divisors (see below), whose sum is σ = 540243648. Its totient is φ = 60027056.

The previous prime is 225101479. The next prime is 225101491. The reversal of 225101490 is 94101522.

It is a self number, because there is not a number n which added to its sum of digits gives 225101490.

It is not an unprimeable number, because it can be changed into a prime (225101491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3751662 + ... + 3751721.

It is an arithmetic number, because the mean of its divisors is an integer number (33765228).

Almost surely, 2^225101490 is an apocalyptic number.

225101490 is an abundant number, since it is smaller than the sum of its proper divisors (315142158).

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

225101490 is a wasteful number, since it uses less digits than its factorization.

225101490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7503393.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 225101490 is about 15003.3826185964. The cubic root of 225101490 is about 608.3116350969.

The spelling of 225101490 in words is "two hundred twenty-five million, one hundred one thousand, four hundred ninety".