3400172722 has 8 divisors (see below), whose sum is σ = 5224655772. Its totient is φ = 1658620800.

The previous prime is 3400172693. The next prime is 3400172729. The reversal of 3400172722 is 2272710043.

It is a Cunningham number, because it is equal to 58311²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 3400172721 + 1 = 58311^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3400172722² = 23122349078865778568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3400172729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20732679 + ... + 20732842.

Almost surely, 2^3400172722 is an apocalyptic number.

3400172722 is a deficient number, since it is larger than the sum of its proper divisors (1824483050).

3400172722 is a wasteful number, since it uses less digits than its factorization.

3400172722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41465564.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 3400172722 is about 58311.0000085747. Note that the first 5 decimals coincide. The cubic root of 3400172722 is about 1503.7200586305.

Adding to 3400172722 its reverse (2272710043), we get a palindrome (5672882765).

The spelling of 3400172722 in words is "three billion, four hundred million, one hundred seventy-two thousand, seven hundred twenty-two".