1821067512022 has 16 divisors (see below), whose sum is σ = 3015831413952. Its totient is φ = 817784971720.

The previous prime is 1821067511993. The next prime is 1821067512023. The reversal of 1821067512022 is 2202157601281.

It is a happy number.

It is a super-2 number, since 2×1821067512022² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1821067512023) by changing a digit.

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, 498647548 + ... + 498651199.

It is an arithmetic number, because the mean of its divisors is an integer number (188489463372).

Almost surely, 2^{1821067512022} is an apocalyptic number.

1821067512022 is a deficient number, since it is larger than the sum of its proper divisors (1194763901930).

1821067512022 is a wasteful number, since it uses less digits than its factorization.

1821067512022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997298843.

The product of its (nonzero) digits is 26880, while the sum is 37.

The spelling of 1821067512022 in words is "one trillion, eight hundred twenty-one billion, sixty-seven million, five hundred twelve thousand, twenty-two".