422993669 has 4 divisors (see below), whose sum is σ = 483421344. Its totient is φ = 362565996.

The previous prime is 422993663. The next prime is 422993687. The reversal of 422993669 is 966399224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 422993669 - 2⁴ = 422993653 is a prime.

It is a super-2 number, since 2×422993669² = 357847288028163122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422993663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30213827 + ... + 30213840.

It is an arithmetic number, because the mean of its divisors is an integer number (120855336).

Almost surely, 2^422993669 is an apocalyptic number.

It is an amenable number.

422993669 is a deficient number, since it is larger than the sum of its proper divisors (60427675).

422993669 is an equidigital number, since it uses as much as digits as its factorization.

422993669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60427674.

The product of its digits is 1259712, while the sum is 50.

The square root of 422993669 is about 20566.8098887504. The cubic root of 422993669 is about 750.6623298830.

The spelling of 422993669 in words is "four hundred twenty-two million, nine hundred ninety-three thousand, six hundred sixty-nine".