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225227252 = 22131429823
BaseRepresentation
bin11010110110010…
…11000111110100
3120200210201201002
431123023013310
5430124233002
634203222432
75403254135
oct1533130764
9520721632
10225227252
11106153628
1263517a18
133787aa83
1421cabc8c
1514b8e002
hexd6cb1f4

225227252 has 12 divisors (see below), whose sum is σ = 397157376. Its totient is φ = 111753720.

The previous prime is 225227207. The next prime is 225227257. The reversal of 225227252 is 252722522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225227257) 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, 214388 + ... + 215435.

It is an arithmetic number, because the mean of its divisors is an integer number (33096448).

Almost surely, 2225227252 is an apocalyptic number.

It is an amenable number.

225227252 is a deficient number, since it is larger than the sum of its proper divisors (171930124).

225227252 is a wasteful number, since it uses less digits than its factorization.

225227252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429958 (or 429956 counting only the distinct ones).

The product of its digits is 11200, while the sum is 29.

The square root of 225227252 is about 15007.5731549108. The cubic root of 225227252 is about 608.4248999257.

Adding to 225227252 its reverse (252722522), we get a palindrome (477949774).

The spelling of 225227252 in words is "two hundred twenty-five million, two hundred twenty-seven thousand, two hundred fifty-two".

Divisors: 1 2 4 131 262 524 429823 859646 1719292 56306813 112613626 225227252