7552222 has 8 divisors (see below), whose sum is σ = 11340000. Its totient is φ = 3772224.

The previous prime is 7552201. The next prime is 7552243. The reversal of 7552222 is 2222557.

It is an interprime number because it is at equal distance from previous prime (7552201) and next prime (7552243).

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

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2779 + ... + 4777.

It is an arithmetic number, because the mean of its divisors is an integer number (1417500).

Almost surely, 2^7552222 is an apocalyptic number.

7552222 is a deficient number, since it is larger than the sum of its proper divisors (3787778).

7552222 is a wasteful number, since it uses less digits than its factorization.

7552222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3890.

The product of its digits is 2800, while the sum is 25.

The square root of 7552222 is about 2748.1306373606. The cubic root of 7552222 is about 196.1966477010.

Adding to 7552222 its reverse (2222557), we get a palindrome (9774779).

The spelling of 7552222 in words is "seven million, five hundred fifty-two thousand, two hundred twenty-two".