1601565222 has 16 divisors (see below), whose sum is σ = 3205710000. Its totient is φ = 533425152.

The previous prime is 1601565221. The next prime is 1601565227. The reversal of 1601565222 is 2225651061.

It is a super-2 number, since 2×1601565222² = 5130022320639818568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1601565222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601565221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99363 + ... + 114350.

It is an arithmetic number, because the mean of its divisors is an integer number (200356875).

Almost surely, 2^1601565222 is an apocalyptic number.

1601565222 is an abundant number, since it is smaller than the sum of its proper divisors (1604144778).

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

1601565222 is a wasteful number, since it uses less digits than its factorization.

1601565222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214967.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1601565222 is about 40019.5604923392. The cubic root of 1601565222 is about 1169.9883657255.

The spelling of 1601565222 in words is "one billion, six hundred one million, five hundred sixty-five thousand, two hundred twenty-two".