22285011 has 16 divisors (see below), whose sum is σ = 35956224. Its totient is φ = 11985024.

The previous prime is 22285009. The next prime is 22285061. The reversal of 22285011 is 11058222.

It is a happy number.

It is not a de Polignac number, because 22285011 - 2¹ = 22285009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (22285061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30855 + ... + 31568.

It is an arithmetic number, because the mean of its divisors is an integer number (2247264).

Almost surely, 2^22285011 is an apocalyptic number.

22285011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22285011 is a deficient number, since it is larger than the sum of its proper divisors (13671213).

22285011 is a wasteful number, since it uses less digits than its factorization.

22285011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62450.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 22285011 is about 4720.7002658504. The cubic root of 22285011 is about 281.4087633008.

The spelling of 22285011 in words is "twenty-two million, two hundred eighty-five thousand, eleven".