2421772 has 6 divisors (see below), whose sum is σ = 4238108. Its totient is φ = 1210884.

The previous prime is 2421767. The next prime is 2421781. The reversal of 2421772 is 2771242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302718 + ... + 302725.

2^2421772 is an apocalyptic number.

It is an amenable number.

2421772 is a deficient number, since it is larger than the sum of its proper divisors (1816336).

2421772 is a wasteful number, since it uses less digits than its factorization.

2421772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605447 (or 605445 counting only the distinct ones).

The product of its digits is 1568, while the sum is 25.

The square root of 2421772 is about 1556.2043567604. The cubic root of 2421772 is about 134.2902300751.

It can be divided in two parts, 242 and 1772, that multiplied together give a palindrome (428824).

The spelling of 2421772 in words is "two million, four hundred twenty-one thousand, seven hundred seventy-two".