7222532 has 6 divisors (see below), whose sum is σ = 12639438. Its totient is φ = 3611264.

The previous prime is 7222517. The next prime is 7222549. The reversal of 7222532 is 2352227.

It can be written as a sum of positive squares in only one way, i.e., 6635776 + 586756 = 2576^2 + 766^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7222498 and 7222507.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 902813 + ... + 902820.

It is an arithmetic number, because the mean of its divisors is an integer number (2106573).

Almost surely, 2^7222532 is an apocalyptic number.

It is an amenable number.

7222532 is a deficient number, since it is larger than the sum of its proper divisors (5416906).

7222532 is a wasteful number, since it uses less digits than its factorization.

7222532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805637 (or 1805635 counting only the distinct ones).

The product of its digits is 1680, while the sum is 23.

The square root of 7222532 is about 2687.4768836215. The cubic root of 7222532 is about 193.2990968574.

Adding to 7222532 its reverse (2352227), we get a palindrome (9574759).

The spelling of 7222532 in words is "seven million, two hundred twenty-two thousand, five hundred thirty-two".