1547150222 has 4 divisors (see below), whose sum is σ = 2320725336. Its totient is φ = 773575110.

The previous prime is 1547150173. The next prime is 1547150243. The reversal of 1547150222 is 2220517451.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 386787554 + ... + 386787557.

It is an arithmetic number, because the mean of its divisors is an integer number (580181334).

Almost surely, 2^1547150222 is an apocalyptic number.

1547150222 is a deficient number, since it is larger than the sum of its proper divisors (773575114).

1547150222 is an equidigital number, since it uses as much as digits as its factorization.

1547150222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773575113.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 1547150222 is about 39333.8305025076. The cubic root of 1547150222 is about 1156.5848378505.

Adding to 1547150222 its reverse (2220517451), we get a palindrome (3767667673).

The spelling of 1547150222 in words is "one billion, five hundred forty-seven million, one hundred fifty thousand, two hundred twenty-two".