202211142 has 96 divisors (see below), whose sum is σ = 500605920. Its totient is φ = 54190080.

The previous prime is 202211123. The next prime is 202211183. The reversal of 202211142 is 241112202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 315142 + ... + 315782.

It is an arithmetic number, because the mean of its divisors is an integer number (5214645).

Almost surely, 2^202211142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202211142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250302960).

202211142 is an abundant number, since it is smaller than the sum of its proper divisors (298394778).

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

202211142 is a wasteful number, since it uses less digits than its factorization.

202211142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 719 counting only the distinct ones).

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

The square root of 202211142 is about 14220.0964131753. The cubic root of 202211142 is about 586.9507933449.

Adding to 202211142 its reverse (241112202), we get a palindrome (443323344).

The spelling of 202211142 in words is "two hundred two million, two hundred eleven thousand, one hundred forty-two".