225101489 has 4 divisors (see below), whose sum is σ = 225825600. Its totient is φ = 224377380.

The previous prime is 225101479. The next prime is 225101491. The reversal of 225101489 is 984101522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 225101489 - 2⁴ = 225101473 is a prime.

It is a super-4 number, since 4×225101489⁴ (a number of 35 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (225101449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361589 + ... + 362210.

It is an arithmetic number, because the mean of its divisors is an integer number (56456400).

Almost surely, 2^225101489 is an apocalyptic number.

It is an amenable number.

225101489 is a deficient number, since it is larger than the sum of its proper divisors (724111).

225101489 is an equidigital number, since it uses as much as digits as its factorization.

225101489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724110.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 225101489 is about 15003.3825852706. The cubic root of 225101489 is about 608.3116341961.

The spelling of 225101489 in words is "two hundred twenty-five million, one hundred one thousand, four hundred eighty-nine".