1606420422 has 12 divisors (see below), whose sum is σ = 3480577620. Its totient is φ = 535473468.

The previous prime is 1606420411. The next prime is 1606420433. The reversal of 1606420422 is 2240246061.

1606420422 is a `hidden beast` number, since 16 + 0 + 642 + 0 + 4 + 2 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1606420411) and next prime (1606420433).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44622772 + ... + 44622807.

It is an arithmetic number, because the mean of its divisors is an integer number (290048135).

Almost surely, 2^1606420422 is an apocalyptic number.

1606420422 is an abundant number, since it is smaller than the sum of its proper divisors (1874157198).

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

1606420422 is a wasteful number, since it uses less digits than its factorization.

1606420422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89245587 (or 89245584 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 1606420422 is about 40080.1749247680. The cubic root of 1606420422 is about 1171.1694596631.

Adding to 1606420422 its reverse (2240246061), we get a palindrome (3846666483).

The spelling of 1606420422 in words is "one billion, six hundred six million, four hundred twenty thousand, four hundred twenty-two".