7150222 has 8 divisors (see below), whose sum is σ = 10750176. Its totient is φ = 3566832.

The previous prime is 7150219. The next prime is 7150223. The reversal of 7150222 is 2220517.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×7150222² = 102251349298568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7150222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7150223) 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, 2998 + ... + 4825.

It is an arithmetic number, because the mean of its divisors is an integer number (1343772).

Almost surely, 2^7150222 is an apocalyptic number.

7150222 is a deficient number, since it is larger than the sum of its proper divisors (3599954).

7150222 is a wasteful number, since it uses less digits than its factorization.

7150222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8282.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 7150222 is about 2673.9899027483. The cubic root of 7150222 is about 192.6518462331.

Adding to 7150222 its reverse (2220517), we get a palindrome (9370739).

The spelling of 7150222 in words is "seven million, one hundred fifty thousand, two hundred twenty-two".