22274010 has 96 divisors (see below), whose sum is σ = 64022400. Its totient is φ = 5328000.

The previous prime is 22274003. The next prime is 22274011. The reversal of 22274010 is 1047222.

It is a super-2 number, since 2×22274010² = 992263042960200, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (22274011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 147435 + ... + 147585.

It is an arithmetic number, because the mean of its divisors is an integer number (666900).

Almost surely, 2^22274010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22274010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32011200).

22274010 is an abundant number, since it is smaller than the sum of its proper divisors (41748390).

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

22274010 is a wasteful number, since it uses less digits than its factorization.

22274010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 22274010 is about 4719.5349347155. The cubic root of 22274010 is about 281.3624498489.

The spelling of 22274010 in words is "twenty-two million, two hundred seventy-four thousand, ten".