1606425622 has 4 divisors (see below), whose sum is σ = 2409638436. Its totient is φ = 803212810.

The previous prime is 1606425617. The next prime is 1606425629. The reversal of 1606425622 is 2265246061.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606425629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401606404 + ... + 401606407.

It is an arithmetic number, because the mean of its divisors is an integer number (602409609).

Almost surely, 2^1606425622 is an apocalyptic number.

1606425622 is a deficient number, since it is larger than the sum of its proper divisors (803212814).

1606425622 is an equidigital number, since it uses as much as digits as its factorization.

1606425622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803212813.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1606425622 is about 40080.2397946918. The cubic root of 1606425622 is about 1171.1707233578.

The spelling of 1606425622 in words is "one billion, six hundred six million, four hundred twenty-five thousand, six hundred twenty-two".