1422023561 has 6 divisors (see below), whose sum is σ = 1654190730. Its totient is φ = 1218877296.

The previous prime is 1422023557. The next prime is 1422023563. The reversal of 1422023561 is 1653202241.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 826907536 + 595116025 = 28756^2 + 24395^2 .

It is not a de Polignac number, because 1422023561 - 2² = 1422023557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1422023561.

It is not an unprimeable number, because it can be changed into a prime (1422023563) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14510396 + ... + 14510493.

It is an arithmetic number, because the mean of its divisors is an integer number (275698455).

Almost surely, 2^1422023561 is an apocalyptic number.

It is an amenable number.

1422023561 is a deficient number, since it is larger than the sum of its proper divisors (232167169).

1422023561 is an equidigital number, since it uses as much as digits as its factorization.

1422023561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29020903 (or 29020896 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1422023561 is about 37709.7276707218. The cubic root of 1422023561 is about 1124.5245229545.

The spelling of 1422023561 in words is "one billion, four hundred twenty-two million, twenty-three thousand, five hundred sixty-one".