1555141222 has 16 divisors (see below), whose sum is σ = 2456812800. Its totient is φ = 736247880.

The previous prime is 1555141201. The next prime is 1555141223. The reversal of 1555141222 is 2221415551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1555141223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67447 + ... + 87517.

It is an arithmetic number, because the mean of its divisors is an integer number (153550800).

Almost surely, 2^1555141222 is an apocalyptic number.

1555141222 is a deficient number, since it is larger than the sum of its proper divisors (901671578).

1555141222 is a wasteful number, since it uses less digits than its factorization.

1555141222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22131.

The product of its digits is 4000, while the sum is 28.

The square root of 1555141222 is about 39435.2789010044. The cubic root of 1555141222 is about 1158.5726652690.

Adding to 1555141222 its reverse (2221415551), we get a palindrome (3776556773).

The spelling of 1555141222 in words is "one billion, five hundred fifty-five million, one hundred forty-one thousand, two hundred twenty-two".