1554224222 has 16 divisors (see below), whose sum is σ = 2382815232. Its totient is φ = 760125240.

The previous prime is 1554224179. The next prime is 1554224251. The reversal of 1554224222 is 2224224551.

It is a happy number.

It is a super-2 number, since 2×1554224222² = 4831225864503010568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25058 + ... + 61125.

It is an arithmetic number, because the mean of its divisors is an integer number (148925952).

Almost surely, 2^1554224222 is an apocalyptic number.

1554224222 is a deficient number, since it is larger than the sum of its proper divisors (828591010).

1554224222 is a wasteful number, since it uses less digits than its factorization.

1554224222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86383.

The product of its digits is 12800, while the sum is 29.

The square root of 1554224222 is about 39423.6505412677. The cubic root of 1554224222 is about 1158.3449003118.

Adding to 1554224222 its reverse (2224224551), we get a palindrome (3778448773).

The spelling of 1554224222 in words is "one billion, five hundred fifty-four million, two hundred twenty-four thousand, two hundred twenty-two".