1550054222 has 8 divisors (see below), whose sum is σ = 2345657616. Its totient is φ = 768168352.

The previous prime is 1550054221. The next prime is 1550054243. The reversal of 1550054222 is 2224500551.

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

It is a super-2 number, since 2×1550054222² = 4805336182280050568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1550054191 and 1550054200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550054221) 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, 3429098 + ... + 3429549.

It is an arithmetic number, because the mean of its divisors is an integer number (293207202).

Almost surely, 2^1550054222 is an apocalyptic number.

1550054222 is a deficient number, since it is larger than the sum of its proper divisors (795603394).

1550054222 is a wasteful number, since it uses less digits than its factorization.

1550054222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6858762.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 1550054222 is about 39370.7279841255. The cubic root of 1550054222 is about 1157.3080219064.

Adding to 1550054222 its reverse (2224500551), we get a palindrome (3774554773).

The spelling of 1550054222 in words is "one billion, five hundred fifty million, fifty-four thousand, two hundred twenty-two".