1022215143 has 8 divisors (see below), whose sum is σ = 1434688000. Its totient is φ = 645609528.

The previous prime is 1022215109. The next prime is 1022215147. The reversal of 1022215143 is 3415122201.

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

It is not a de Polignac number, because 1022215143 - 2²⁶ = 955106279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022215147) 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, 8966743 + ... + 8966856.

It is an arithmetic number, because the mean of its divisors is an integer number (179336000).

Almost surely, 2^1022215143 is an apocalyptic number.

1022215143 is a deficient number, since it is larger than the sum of its proper divisors (412472857).

1022215143 is a wasteful number, since it uses less digits than its factorization.

1022215143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17933621.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1022215143 is about 31972.0994462359. The cubic root of 1022215143 is about 1007.3508798297.

Adding to 1022215143 its reverse (3415122201), we get a palindrome (4437337344).

The spelling of 1022215143 in words is "one billion, twenty-two million, two hundred fifteen thousand, one hundred forty-three".