102211422 has 16 divisors (see below), whose sum is σ = 206531472. Its totient is φ = 33719040.

The previous prime is 102211409. The next prime is 102211441. The reversal of 102211422 is 224112201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87229 + ... + 88392.

It is an arithmetic number, because the mean of its divisors is an integer number (12908217).

Almost surely, 2^102211422 is an apocalyptic number.

102211422 is an abundant number, since it is smaller than the sum of its proper divisors (104320050).

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

102211422 is a wasteful number, since it uses less digits than its factorization.

102211422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175723.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 102211422 is about 10109.9664687871. The cubic root of 102211422 is about 467.5554713173. Note that the first 3 decimals are identical.

Adding to 102211422 its reverse (224112201), we get a palindrome (326323623).

The spelling of 102211422 in words is "one hundred two million, two hundred eleven thousand, four hundred twenty-two".