2750022 has 96 divisors (see below), whose sum is σ = 7413120. Its totient is φ = 725760.

The previous prime is 2750021. The next prime is 2750029. The reversal of 2750022 is 2200572.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2749977 and 2750004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2750021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63933 + ... + 63975.

It is an arithmetic number, because the mean of its divisors is an integer number (77220).

2^2750022 is an apocalyptic number.

2750022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2750022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3706560).

2750022 is an abundant number, since it is smaller than the sum of its proper divisors (4663098).

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

2750022 is a wasteful number, since it uses less digits than its factorization.

2750022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 2750022 is about 1658.3190284140. The cubic root of 2750022 is about 140.1023401370.

Adding to 2750022 its reverse (2200572), we get a palindrome (4950594).

The spelling of 2750022 in words is "two million, seven hundred fifty thousand, twenty-two".