7220454 has 12 divisors (see below), whose sum is σ = 14454084. Its totient is φ = 2404624.

The previous prime is 7220453. The next prime is 7220483. The reversal of 7220454 is 4540227.

It is a super-2 number, since 2×7220454² = 104269911932232, which contains 22 as substring.

It is a d-powerful number, because it can be written as 7⁸ + 2¹⁴ + 2²⁰ + 0 + 4 + 5⁸ + 4³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7220453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6034 + ... + 7130.

It is an arithmetic number, because the mean of its divisors is an integer number (1204507).

Almost surely, 2^7220454 is an apocalyptic number.

7220454 is an abundant number, since it is smaller than the sum of its proper divisors (7233630).

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

7220454 is an equidigital number, since it uses as much as digits as its factorization.

7220454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199 (or 1102 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 7220454 is about 2687.0902478331. The cubic root of 7220454 is about 193.2805570041.

Multiplying 7220454 by its sum of digits (24), we get a square (173290896 = 13164²).

The spelling of 7220454 in words is "seven million, two hundred twenty thousand, four hundred fifty-four".