1253422 has 4 divisors (see below), whose sum is σ = 1880136. Its totient is φ = 626710.

The previous prime is 1253401. The next prime is 1253437. The reversal of 1253422 is 2243521.

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 1253422.

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, 313354 + ... + 313357.

It is an arithmetic number, because the mean of its divisors is an integer number (470034).

2^1253422 is an apocalyptic number.

1253422 is a deficient number, since it is larger than the sum of its proper divisors (626714).

1253422 is an equidigital number, since it uses as much as digits as its factorization.

1253422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626713.

The product of its digits is 480, while the sum is 19.

The square root of 1253422 is about 1119.5633077231. The cubic root of 1253422 is about 107.8199446095.

Adding to 1253422 its reverse (2243521), we get a palindrome (3496943).

Subtracting 1253422 from its reverse (2243521), we obtain a palindrome (990099).

The spelling of 1253422 in words is "one million, two hundred fifty-three thousand, four hundred twenty-two".