1422647253 has 16 divisors (see below), whose sum is σ = 2147394240. Its totient is φ = 930535632.

The previous prime is 1422647251. The next prime is 1422647311. The reversal of 1422647253 is 3527462241.

1422647253 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 647 + 2 + 5 + 3 = 666.

It is not a de Polignac number, because 1422647253 - 2¹ = 1422647251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422647251) 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, 495651 + ... + 498512.

It is an arithmetic number, because the mean of its divisors is an integer number (134212140).

Almost surely, 2^1422647253 is an apocalyptic number.

It is an amenable number.

1422647253 is a deficient number, since it is larger than the sum of its proper divisors (724746987).

1422647253 is an equidigital number, since it uses as much as digits as its factorization.

1422647253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994225 (or 994219 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 1422647253 is about 37717.9964075506. The cubic root of 1422647253 is about 1124.6889024242.

The spelling of 1422647253 in words is "one billion, four hundred twenty-two million, six hundred forty-seven thousand, two hundred fifty-three".