7154222 has 16 divisors (see below), whose sum is σ = 11491200. Its totient is φ = 3330360.

The previous prime is 7154221. The next prime is 7154227. The reversal of 7154222 is 2224517.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7154221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647 + ... + 3837.

It is an arithmetic number, because the mean of its divisors is an integer number (718200).

Almost surely, 2^7154222 is an apocalyptic number.

7154222 is a deficient number, since it is larger than the sum of its proper divisors (4336978).

7154222 is a wasteful number, since it uses less digits than its factorization.

7154222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271.

The product of its digits is 1120, while the sum is 23.

The square root of 7154222 is about 2674.7377441536. The cubic root of 7154222 is about 192.6877641729.

Adding to 7154222 its reverse (2224517), we get a palindrome (9378739).

The spelling of 7154222 in words is "seven million, one hundred fifty-four thousand, two hundred twenty-two".