7242210 has 40 divisors (see below), whose sum is σ = 19475676. Its totient is φ = 1931040.

The previous prime is 7242203. The next prime is 7242233. The reversal of 7242210 is 122427.

It can be written as a sum of positive squares in 2 ways, for example, as 7241481 + 729 = 2691^2 + 27^2 .

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

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 19 ways as a sum of consecutive naturals, for example, 3661 + ... + 5280.

Almost surely, 2^7242210 is an apocalyptic number.

7242210 is an abundant number, since it is smaller than the sum of its proper divisors (12233466).

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

7242210 is a wasteful number, since it uses less digits than its factorization.

7242210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8960 (or 8951 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 7242210 is about 2691.1354480962. The cubic root of 7242210 is about 193.4744873521.

Adding to 7242210 its reverse (122427), we get a palindrome (7364637).

The spelling of 7242210 in words is "seven million, two hundred forty-two thousand, two hundred ten".