7403022 has 64 divisors (see below), whose sum is σ = 18270720. Its totient is φ = 2221560.

The previous prime is 7402981. The next prime is 7403023. The reversal of 7403022 is 2203047.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 7402986 and 7403004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7403023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71823 + ... + 71925.

It is an arithmetic number, because the mean of its divisors is an integer number (285480).

Almost surely, 2^7403022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7403022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9135360).

7403022 is an abundant number, since it is smaller than the sum of its proper divisors (10867698).

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

7403022 is a wasteful number, since it uses less digits than its factorization.

7403022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 7403022 is about 2720.8494996967. The cubic root of 7403022 is about 194.8960392596.

Adding to 7403022 its reverse (2203047), we get a palindrome (9606069).

The spelling of 7403022 in words is "seven million, four hundred three thousand, twenty-two".