1022043442 has 32 divisors (see below), whose sum is σ = 1776660480. Its totient is φ = 431908800.

The previous prime is 1022043431. The next prime is 1022043487. The reversal of 1022043442 is 2443402201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379023 + ... + 381709.

It is an arithmetic number, because the mean of its divisors is an integer number (55520640).

Almost surely, 2^1022043442 is an apocalyptic number.

1022043442 is a deficient number, since it is larger than the sum of its proper divisors (754617038).

1022043442 is a wasteful number, since it uses less digits than its factorization.

1022043442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3066.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1022043442 is about 31969.4141641663. The cubic root of 1022043442 is about 1007.2944752526.

Adding to 1022043442 its reverse (2443402201), we get a palindrome (3465445643).

The spelling of 1022043442 in words is "one billion, twenty-two million, forty-three thousand, four hundred forty-two".