7262220 has 48 divisors (see below), whose sum is σ = 23240448. Its totient is φ = 1659840.

The previous prime is 7262201. The next prime is 7262243. The reversal of 7262220 is 222627.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8226 + ... + 9065.

It is an arithmetic number, because the mean of its divisors is an integer number (484176).

Almost surely, 2^7262220 is an apocalyptic number.

7262220 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7262220 is an abundant number, since it is smaller than the sum of its proper divisors (15978228).

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

7262220 is a wasteful number, since it uses less digits than its factorization.

7262220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17310 (or 17308 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 7262220 is about 2694.8506452121. The cubic root of 7262220 is about 193.6525114825.

Adding to 7262220 its reverse (222627), we get a palindrome (7484847).

The spelling of 7262220 in words is "seven million, two hundred sixty-two thousand, two hundred twenty".