1000143222 has 16 divisors (see below), whose sum is σ = 2154154800. Its totient is φ = 307736352.

The previous prime is 1000143191. The next prime is 1000143229. The reversal of 1000143222 is 2223410001.

It is a super-3 number, since 3×1000143222³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000143229) 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, 6411097 + ... + 6411252.

It is an arithmetic number, because the mean of its divisors is an integer number (134634675).

Almost surely, 2^1000143222 is an apocalyptic number.

1000143222 is an abundant number, since it is smaller than the sum of its proper divisors (1154011578).

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

1000143222 is a wasteful number, since it uses less digits than its factorization.

1000143222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12822367.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1000143222 is about 31625.0410592619. The cubic root of 1000143222 is about 1000.0477383877.

Adding to 1000143222 its reverse (2223410001), we get a palindrome (3223553223).

The spelling of 1000143222 in words is "one billion, one hundred forty-three thousand, two hundred twenty-two".