22229046 has 96 divisors (see below), whose sum is σ = 59535360. Its totient is φ = 6123600.

The previous prime is 22229041. The next prime is 22229057. The reversal of 22229046 is 64092222.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22229041) 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 47 ways as a sum of consecutive naturals, for example, 81891 + ... + 82161.

It is an arithmetic number, because the mean of its divisors is an integer number (620160).

Almost surely, 2^22229046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22229046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29767680).

22229046 is an abundant number, since it is smaller than the sum of its proper divisors (37306314).

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

22229046 is a wasteful number, since it uses less digits than its factorization.

22229046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 22229046 is about 4714.7689232878. The cubic root of 22229046 is about 281.1729958076.

The spelling of 22229046 in words is "twenty-two million, two hundred twenty-nine thousand, forty-six".