1422879653 has 8 divisors (see below), whose sum is σ = 1535751000. Its totient is φ = 1310496768.

The previous prime is 1422879643. The next prime is 1422879673. The reversal of 1422879653 is 3569782241.

It can be written as a sum of positive squares in 4 ways, for example, as 319444129 + 1103435524 = 17873^2 + 33218^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1422879653 - 2¹⁶ = 1422814117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1422879598 and 1422879607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422879643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116048 + ... + 127721.

It is an arithmetic number, because the mean of its divisors is an integer number (191968875).

Almost surely, 2^1422879653 is an apocalyptic number.

1422879653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1422879653 is a deficient number, since it is larger than the sum of its proper divisors (112871347).

1422879653 is a wasteful number, since it uses less digits than its factorization.

1422879653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244231.

The product of its digits is 725760, while the sum is 47.

The square root of 1422879653 is about 37721.0770392363. The cubic root of 1422879653 is about 1124.7501411862.

The spelling of 1422879653 in words is "one billion, four hundred twenty-two million, eight hundred seventy-nine thousand, six hundred fifty-three".