253226438 has 8 divisors (see below), whose sum is σ = 379929288. Its totient is φ = 126583344.

The previous prime is 253226437. The next prime is 253226461. The reversal of 253226438 is 834622352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 253226398 and 253226407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253226431) 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, 2156 + ... + 22607.

It is an arithmetic number, because the mean of its divisors is an integer number (47491161).

Almost surely, 2^253226438 is an apocalyptic number.

253226438 is a deficient number, since it is larger than the sum of its proper divisors (126702850).

253226438 is a wasteful number, since it uses less digits than its factorization.

253226438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29878.

The product of its digits is 69120, while the sum is 35.

The square root of 253226438 is about 15913.0901461658. The cubic root of 253226438 is about 632.6589875655.

The spelling of 253226438 in words is "two hundred fifty-three million, two hundred twenty-six thousand, four hundred thirty-eight".