222040 has 64 divisors (see below), whose sum is σ = 624960. Its totient is φ = 69120.

The previous prime is 222029. The next prime is 222041. The reversal of 222040 is 40222.

222040 = T₄₈ + T₄₉ + ... + T₁₁₂.

It is a happy number.

222040 is nontrivially palindromic in base 3.

222040 is digitally balanced in base 2 and base 3, because in such bases 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 (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222041) 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, 3610 + ... + 3670.

It is an arithmetic number, because the mean of its divisors is an integer number (9765).

2²²²⁰⁴⁰ is an apocalyptic number.

222040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312480).

222040 is an abundant number, since it is smaller than the sum of its proper divisors (402920).

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

222040 is a wasteful number, since it uses less digits than its factorization.

222040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 222040 is about 471.2112052997. The cubic root of 222040 is about 60.5541259127.

Adding to 222040 its reverse (40222), we get a palindrome (262262).

The spelling of 222040 in words is "two hundred twenty-two thousand, forty", and thus it is an iban number.