2422172 has 6 divisors (see below), whose sum is σ = 4238808. Its totient is φ = 1211084.

The previous prime is 2422171. The next prime is 2422183. The reversal of 2422172 is 2712242.

It is a happy number.

2422172 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2422171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302768 + ... + 302775.

It is an arithmetic number, because the mean of its divisors is an integer number (706468).

2^2422172 is an apocalyptic number.

It is an amenable number.

2422172 is a deficient number, since it is larger than the sum of its proper divisors (1816636).

2422172 is a wasteful number, since it uses less digits than its factorization.

2422172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605547 (or 605545 counting only the distinct ones).

The product of its digits is 448, while the sum is 20.

The square root of 2422172 is about 1556.3328692796. The cubic root of 2422172 is about 134.2976231651.

The spelling of 2422172 in words is "two million, four hundred twenty-two thousand, one hundred seventy-two".