1601423622 has 40 divisors (see below), whose sum is σ = 3744400176. Its totient is φ = 510597648.

The previous prime is 1601423611. The next prime is 1601423639. The reversal of 1601423622 is 2263241061.

1601423622 is a `hidden beast` number, since 1 + 6 + 0 + 14 + 23 + 622 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 211173 + ... + 218624.

Almost surely, 2^1601423622 is an apocalyptic number.

1601423622 is an abundant number, since it is smaller than the sum of its proper divisors (2142976554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1601423622 is a wasteful number, since it uses less digits than its factorization.

1601423622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429834 (or 429825 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1601423622 is about 40017.7913183624. The cubic root of 1601423622 is about 1169.9538837839.

Adding to 1601423622 its reverse (2263241061), we get a palindrome (3864664683).

The spelling of 1601423622 in words is "one billion, six hundred one million, four hundred twenty-three thousand, six hundred twenty-two".