225101651 has 4 divisors (see below), whose sum is σ = 228791904. Its totient is φ = 221411400.

The previous prime is 225101647. The next prime is 225101671. The reversal of 225101651 is 156101522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225101651 - 2² = 225101647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225101671) 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, 1845035 + ... + 1845156.

It is an arithmetic number, because the mean of its divisors is an integer number (57197976).

Almost surely, 2^225101651 is an apocalyptic number.

225101651 is a deficient number, since it is larger than the sum of its proper divisors (3690253).

225101651 is an equidigital number, since it uses as much as digits as its factorization.

225101651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3690252.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 225101651 is about 15003.3879840521. The cubic root of 225101651 is about 608.3117801250.

The spelling of 225101651 in words is "two hundred twenty-five million, one hundred one thousand, six hundred fifty-one".