253503222 has 32 divisors (see below), whose sum is σ = 582488064. Its totient is φ = 72048000.

The previous prime is 253503221. The next prime is 253503241. The reversal of 253503222 is 222305352.

It is a junction number, because it is equal to n+sod(n) for n = 253503192 and 253503201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253503221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7779 + ... + 23822.

It is an arithmetic number, because the mean of its divisors is an integer number (18202752).

Almost surely, 2^253503222 is an apocalyptic number.

253503222 is an abundant number, since it is smaller than the sum of its proper divisors (328984842).

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

253503222 is a wasteful number, since it uses less digits than its factorization.

253503222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31804.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 253503222 is about 15921.7845105378. The cubic root of 253503222 is about 632.8894086401.

Adding to 253503222 its reverse (222305352), we get a palindrome (475808574).

The spelling of 253503222 in words is "two hundred fifty-three million, five hundred three thousand, two hundred twenty-two".