1422660623 has 4 divisors (see below), whose sum is σ = 1506346560. Its totient is φ = 1338974688.

The previous prime is 1422660611. The next prime is 1422660641. The reversal of 1422660623 is 3260662241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1422660623 - 2⁶ = 1422660559 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 1422660623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422660683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41842943 + ... + 41842976.

It is an arithmetic number, because the mean of its divisors is an integer number (376586640).

Almost surely, 2^1422660623 is an apocalyptic number.

1422660623 is a deficient number, since it is larger than the sum of its proper divisors (83685937).

1422660623 is an equidigital number, since it uses as much as digits as its factorization.

1422660623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83685936.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 1422660623 is about 37718.1736434839. The cubic root of 1422660623 is about 1124.6924256783.

The spelling of 1422660623 in words is "one billion, four hundred twenty-two million, six hundred sixty thousand, six hundred twenty-three".