7222477 has 4 divisors (see below), whose sum is σ = 7271100. Its totient is φ = 7173856.

The previous prime is 7222429. The next prime is 7222493. The reversal of 7222477 is 7742227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7742227 = 1741 ⋅4447.

It can be written as a sum of positive squares in 2 ways, for example, as 352836 + 6869641 = 594^2 + 2621^2 .

It is a cyclic number.

It is not a de Polignac number, because 7222477 - 2¹⁹ = 6698189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7222427) 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 3 ways as a sum of consecutive naturals, for example, 24088 + ... + 24385.

It is an arithmetic number, because the mean of its divisors is an integer number (1817775).

Almost surely, 2^7222477 is an apocalyptic number.

It is an amenable number.

7222477 is a deficient number, since it is larger than the sum of its proper divisors (48623).

7222477 is a wasteful number, since it uses less digits than its factorization.

7222477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48622.

The product of its digits is 10976, while the sum is 31.

The square root of 7222477 is about 2687.4666509559. The cubic root of 7222477 is about 193.2986061949.

The spelling of 7222477 in words is "seven million, two hundred twenty-two thousand, four hundred seventy-seven".