7482220 has 12 divisors (see below), whose sum is σ = 15712704. Its totient is φ = 2992880.

The previous prime is 7482217. The next prime is 7482221. The reversal of 7482220 is 222847.

It is a super-2 number, since 2×7482220² = 111967232256800, which contains 22 as substring.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (7482221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187036 + ... + 187075.

It is an arithmetic number, because the mean of its divisors is an integer number (1309392).

Almost surely, 2^7482220 is an apocalyptic number.

It is an amenable number.

7482220 is an abundant number, since it is smaller than the sum of its proper divisors (8230484).

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

7482220 is a wasteful number, since it uses less digits than its factorization.

7482220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374120 (or 374118 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 7482220 is about 2735.3646923217. The cubic root of 7482220 is about 195.5885788947.

The spelling of 7482220 in words is "seven million, four hundred eighty-two thousand, two hundred twenty".