1617144122 has 32 divisors (see below), whose sum is σ = 2764523520. Its totient is φ = 702283120.

The previous prime is 1617144119. The next prime is 1617144143. The reversal of 1617144122 is 2214417161.

It is a happy number.

It is a super-2 number, since 2×1617144122² = 5230310222638301768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 666203 + ... + 668625.

It is an arithmetic number, because the mean of its divisors is an integer number (86391360).

Almost surely, 2^1617144122 is an apocalyptic number.

1617144122 is a deficient number, since it is larger than the sum of its proper divisors (1147379398).

1617144122 is a wasteful number, since it uses less digits than its factorization.

1617144122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3778.

The product of its digits is 2688, while the sum is 29.

The square root of 1617144122 is about 40213.7305158325. The cubic root of 1617144122 is about 1173.7697392191.

The spelling of 1617144122 in words is "one billion, six hundred seventeen million, one hundred forty-four thousand, one hundred twenty-two".