211253322 has 32 divisors (see below), whose sum is σ = 511270272. Its totient is φ = 56807424.

The previous prime is 211253311. The next prime is 211253323. The reversal of 211253322 is 223352112.

211253322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (211253323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147223 + ... + 148650.

It is an arithmetic number, because the mean of its divisors is an integer number (15977196).

Almost surely, 2^211253322 is an apocalyptic number.

211253322 is an abundant number, since it is smaller than the sum of its proper divisors (300016950).

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

211253322 is a wasteful number, since it uses less digits than its factorization.

211253322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295902.

The product of its digits is 720, while the sum is 21.

The square root of 211253322 is about 14534.5561335735. The cubic root of 211253322 is about 595.5723344452.

It can be divided in two parts, 211253 and 322, that added together give a triangular number (211575 = T₆₅₀).

The spelling of 211253322 in words is "two hundred eleven million, two hundred fifty-three thousand, three hundred twenty-two".