422356645 has 8 divisors (see below), whose sum is σ = 507075480. Its totient is φ = 337720320.

The previous prime is 422356607. The next prime is 422356651. The reversal of 422356645 is 546653224.

It can be written as a sum of positive squares in 4 ways, for example, as 35605089 + 386751556 = 5967^2 + 19666^2 .

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

It is not a de Polignac number, because 422356645 - 2⁹ = 422356133 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8740 + ... + 30349.

It is an arithmetic number, because the mean of its divisors is an integer number (63384435).

Almost surely, 2^422356645 is an apocalyptic number.

It is an amenable number.

422356645 is a deficient number, since it is larger than the sum of its proper divisors (84718835).

422356645 is a wasteful number, since it uses less digits than its factorization.

422356645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41255.

The product of its digits is 172800, while the sum is 37.

The square root of 422356645 is about 20551.3173543693. The cubic root of 422356645 is about 750.2853107092.

The spelling of 422356645 in words is "four hundred twenty-two million, three hundred fifty-six thousand, six hundred forty-five".