1822021102 has 16 divisors (see below), whose sum is σ = 2999348352. Its totient is φ = 823230520.

The previous prime is 1822021073. The next prime is 1822021109. The reversal of 1822021102 is 2011202281.

It is a super-2 number, since 2×1822021102² = 6639521792266588808, 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 1822021102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1822021109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244288 + ... + 251635.

It is an arithmetic number, because the mean of its divisors is an integer number (187459272).

Almost surely, 2^1822021102 is an apocalyptic number.

1822021102 is a deficient number, since it is larger than the sum of its proper divisors (1177327250).

1822021102 is a wasteful number, since it uses less digits than its factorization.

1822021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496103.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1822021102 is about 42685.1391235873. The cubic root of 1822021102 is about 1221.3809280401.

Adding to 1822021102 its reverse (2011202281), we get a palindrome (3833223383).

The spelling of 1822021102 in words is "one billion, eight hundred twenty-two million, twenty-one thousand, one hundred two".