422182722646 has 4 divisors (see below), whose sum is σ = 633274083972. Its totient is φ = 211091361322.

The previous prime is 422182722631. The next prime is 422182722683. The reversal of 422182722646 is 646227281224.

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

It is a super-2 number, since 2×422182722646² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422182722596 and 422182722605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105545680660 + ... + 105545680663.

It is an arithmetic number, because the mean of its divisors is an integer number (158318520993).

Almost surely, 2^422182722646 is an apocalyptic number.

422182722646 is a deficient number, since it is larger than the sum of its proper divisors (211091361326).

422182722646 is a wasteful number, since it uses less digits than its factorization.

422182722646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211091361325.

The product of its digits is 1032192, while the sum is 46.

The spelling of 422182722646 in words is "four hundred twenty-two billion, one hundred eighty-two million, seven hundred twenty-two thousand, six hundred forty-six".