212461422 has 16 divisors (see below), whose sum is σ = 431265792. Its totient is φ = 69763320.

The previous prime is 212461411. The next prime is 212461451. The reversal of 212461422 is 224164212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212461392 and 212461401.

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, 263854 + ... + 264657.

It is an arithmetic number, because the mean of its divisors is an integer number (26954112).

Almost surely, 2^212461422 is an apocalyptic number.

212461422 is an abundant number, since it is smaller than the sum of its proper divisors (218804370).

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

212461422 is a wasteful number, since it uses less digits than its factorization.

212461422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528583.

The product of its digits is 1536, while the sum is 24.

The square root of 212461422 is about 14576.0564625690. The cubic root of 212461422 is about 596.7054822530.

It can be divided in two parts, 2124 and 61422, that added together give a triangular number (63546 = T₃₅₆).

The spelling of 212461422 in words is "two hundred twelve million, four hundred sixty-one thousand, four hundred twenty-two".