3540222 has 24 divisors (see below), whose sum is σ = 8766576. Its totient is φ = 1011456.

The previous prime is 3540203. The next prime is 3540223. The reversal of 3540222 is 2220453.

3540222 is digitally balanced in base 8, 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 (18).

3540222 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 3540195 and 3540204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3540223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13923 + ... + 14174.

It is an arithmetic number, because the mean of its divisors is an integer number (365274).

Almost surely, 2^3540222 is an apocalyptic number.

3540222 is an abundant number, since it is smaller than the sum of its proper divisors (5226354).

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

3540222 is a wasteful number, since it uses less digits than its factorization.

3540222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28112 (or 28109 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 3540222 is about 1881.5477671322. The cubic root of 3540222 is about 152.4088427713.

Adding to 3540222 its reverse (2220453), we get a palindrome (5760675).

It can be divided in two parts, 3 and 540222, that added together give a square (540225 = 735²).

The spelling of 3540222 in words is "three million, five hundred forty thousand, two hundred twenty-two".