7422210 has 24 divisors (see below), whose sum is σ = 19297980. Its totient is φ = 1979232.

The previous prime is 7422203. The next prime is 7422211. The reversal of 7422210 is 122247.

It can be written as a sum of positive squares in 2 ways, for example, as 6827769 + 594441 = 2613^2 + 771^2 .

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

It is a Curzon number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (7422211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41145 + ... + 41324.

Almost surely, 2^7422210 is an apocalyptic number.

7422210 is an abundant number, since it is smaller than the sum of its proper divisors (11875770).

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

7422210 is a wasteful number, since it uses less digits than its factorization.

7422210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82482 (or 82479 counting only the distinct ones).

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

The square root of 7422210 is about 2724.3733224358. The cubic root of 7422210 is about 195.0642786120.

Adding to 7422210 its reverse (122247), we get a palindrome (7544457).

The spelling of 7422210 in words is "seven million, four hundred twenty-two thousand, two hundred ten".