7250022 has 24 divisors (see below), whose sum is σ = 16917264. Its totient is φ = 2230704.

The previous prime is 7250021. The next prime is 7250027. The reversal of 7250022 is 2200527.

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 = 7249977 and 7250004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7250021) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 15258 + ... + 15725.

It is an arithmetic number, because the mean of its divisors is an integer number (704886).

Almost surely, 2^7250022 is an apocalyptic number.

7250022 is an abundant number, since it is smaller than the sum of its proper divisors (9667242).

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

7250022 is a wasteful number, since it uses less digits than its factorization.

7250022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31004 (or 31001 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 7250022 is about 2692.5864888616. The cubic root of 7250022 is about 193.5440277997.

Adding to 7250022 its reverse (2200527), we get a palindrome (9450549).

The spelling of 7250022 in words is "seven million, two hundred fifty thousand, twenty-two".