1552227222 has 64 divisors (see below), whose sum is σ = 3840528384. Its totient is φ = 407272320.

The previous prime is 1552227203. The next prime is 1552227223. The reversal of 1552227222 is 2227222551.

It is a self number, because there is not a number n which added to its sum of digits gives 1552227222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552227223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100347 + ... + 114777.

It is an arithmetic number, because the mean of its divisors is an integer number (60008256).

Almost surely, 2^1552227222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1552227222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1920264192).

1552227222 is an abundant number, since it is smaller than the sum of its proper divisors (2288301162).

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

1552227222 is a wasteful number, since it uses less digits than its factorization.

1552227222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14653.

The product of its digits is 11200, while the sum is 30.

The square root of 1552227222 is about 39398.3149639677. The cubic root of 1552227222 is about 1157.8485741962.

Adding to 1552227222 its reverse (2227222551), we get a palindrome (3779449773).

The spelling of 1552227222 in words is "one billion, five hundred fifty-two million, two hundred twenty-seven thousand, two hundred twenty-two".