7422450 has 48 divisors (see below), whose sum is σ = 21040320. Its totient is φ = 1696320.

The previous prime is 7422449. The next prime is 7422469. The reversal of 7422450 is 542247.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 7422450.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2485 + ... + 4584.

It is an arithmetic number, because the mean of its divisors is an integer number (438340).

Almost surely, 2^7422450 is an apocalyptic number.

7422450 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7422450 is an abundant number, since it is smaller than the sum of its proper divisors (13617870).

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

7422450 is a wasteful number, since it uses less digits than its factorization.

7422450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7091 (or 7086 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 7422450 is about 2724.4173689066. The cubic root of 7422450 is about 195.0663810821.

Adding to 7422450 its reverse (542247), we get a palindrome (7964697).

The spelling of 7422450 in words is "seven million, four hundred twenty-two thousand, four hundred fifty".