225787622 has 4 divisors (see below), whose sum is σ = 338681436. Its totient is φ = 112893810.

The previous prime is 225787603. The next prime is 225787637. The reversal of 225787622 is 226787522.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 225787622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56446904 + ... + 56446907.

It is an arithmetic number, because the mean of its divisors is an integer number (84670359).

Almost surely, 2^225787622 is an apocalyptic number.

225787622 is a deficient number, since it is larger than the sum of its proper divisors (112893814).

225787622 is a wasteful number, since it uses less digits than its factorization.

225787622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112893813.

The product of its digits is 188160, while the sum is 41.

The square root of 225787622 is about 15026.2311309257. The cubic root of 225787622 is about 608.9290732152.

The spelling of 225787622 in words is "two hundred twenty-five million, seven hundred eighty-seven thousand, six hundred twenty-two".