1021224442 has 32 divisors (see below), whose sum is σ = 1855446912. Its totient is φ = 411523584.

The previous prime is 1021224437. The next prime is 1021224469. The reversal of 1021224442 is 2444221201.

It is a super-2 number, since 2×1021224442² = 2085798721876422728, which contains 22 as substring.

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, 454173 + ... + 456415.

It is an arithmetic number, because the mean of its divisors is an integer number (57982716).

Almost surely, 2^1021224442 is an apocalyptic number.

1021224442 is a deficient number, since it is larger than the sum of its proper divisors (834222470).

1021224442 is a wasteful number, since it uses less digits than its factorization.

1021224442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4182.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1021224442 is about 31956.6024789870. The cubic root of 1021224442 is about 1007.0253429764.

Adding to 1021224442 its reverse (2444221201), we get a palindrome (3465445643).

The spelling of 1021224442 in words is "one billion, twenty-one million, two hundred twenty-four thousand, four hundred forty-two".