7226442 has 32 divisors (see below), whose sum is σ = 16176960. Its totient is φ = 2391120.

The previous prime is 7226437. The next prime is 7226447. The reversal of 7226442 is 2446227.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7226437) and next prime (7226447).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (7226447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8392 + ... + 9212.

It is an arithmetic number, because the mean of its divisors is an integer number (505530).

Almost surely, 2^7226442 is an apocalyptic number.

7226442 is an abundant number, since it is smaller than the sum of its proper divisors (8950518).

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

7226442 is a wasteful number, since it uses less digits than its factorization.

7226442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995 (or 989 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 7226442 is about 2688.2042333126. The cubic root of 7226442 is about 193.3339721210. Note that the first 3 decimals are identical.

The spelling of 7226442 in words is "seven million, two hundred twenty-six thousand, four hundred forty-two".