2422428 has 24 divisors (see below), whose sum is σ = 5848080. Its totient is φ = 779520.

The previous prime is 2422423. The next prime is 2422439. The reversal of 2422428 is 8242242.

It is a junction number, because it is equal to n+sod(n) for n = 2422398 and 2422407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2422421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3133 + ... + 3828.

It is an arithmetic number, because the mean of its divisors is an integer number (243670).

2^2422428 is an apocalyptic number.

It is an amenable number.

2422428 is an abundant number, since it is smaller than the sum of its proper divisors (3425652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2422428 is a wasteful number, since it uses less digits than its factorization.

2422428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6997 (or 6995 counting only the distinct ones).

The product of its digits is 2048, while the sum is 24.

The square root of 2422428 is about 1556.4151117231. The cubic root of 2422428 is about 134.3023543156.

It can be divided in two parts, 2422 and 428, that added together give a triangular number (2850 = T₇₅).

The spelling of 2422428 in words is "two million, four hundred twenty-two thousand, four hundred twenty-eight".