3722406450172 has 12 divisors (see below), whose sum is σ = 6592695761736. Its totient is φ = 1838779089680.

The previous prime is 3722406450167. The next prime is 3722406450173. The reversal of 3722406450172 is 2710546042273.

It is a super-2 number, since 2×3722406450172² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3722406450173) 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, 5606033479 + ... + 5606034142.

It is an arithmetic number, because the mean of its divisors is an integer number (549391313478).

Almost surely, 2^{3722406450172} is an apocalyptic number.

It is an amenable number.

3722406450172 is a deficient number, since it is larger than the sum of its proper divisors (2870289311564).

3722406450172 is a wasteful number, since it uses less digits than its factorization.

3722406450172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11212067708 (or 11212067706 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 43.

The spelling of 3722406450172 in words is "three trillion, seven hundred twenty-two billion, four hundred six million, four hundred fifty thousand, one hundred seventy-two".