1022013444 has 24 divisors (see below), whose sum is σ = 2420292448. Its totient is φ = 335586240.

The previous prime is 1022013431. The next prime is 1022013457. The reversal of 1022013444 is 4443102201.

It is an interprime number because it is at equal distance from previous prime (1022013431) and next prime (1022013457).

It is a super-2 number, since 2×1022013444² = 2089022959433482272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1022013444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634777 + ... + 636384.

Almost surely, 2^1022013444 is an apocalyptic number.

It is an amenable number.

1022013444 is an abundant number, since it is smaller than the sum of its proper divisors (1398279004).

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

1022013444 is a wasteful number, since it uses less digits than its factorization.

1022013444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271235 (or 1271233 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1022013444 is about 31968.9449935402. The cubic root of 1022013444 is about 1007.2846201219.

Adding to 1022013444 its reverse (4443102201), we get a palindrome (5465115645).

The spelling of 1022013444 in words is "one billion, twenty-two million, thirteen thousand, four hundred forty-four".