22322066 has 16 divisors (see below), whose sum is σ = 36165528. Its totient is φ = 10272000.

The previous prime is 22322059. The next prime is 22322087. The reversal of 22322066 is 66022322.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22287841 + 34225 = 4721^2 + 185^2 .

It is a super-3 number, since 3×22322066³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9356 + ... + 11496.

Almost surely, 2^22322066 is an apocalyptic number.

22322066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22322066 is a deficient number, since it is larger than the sum of its proper divisors (13843462).

22322066 is a wasteful number, since it uses less digits than its factorization.

22322066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 22322066 is about 4724.6233712329. The cubic root of 22322066 is about 281.5646502550.

Adding to 22322066 its reverse (66022322), we get a palindrome (88344388).

The spelling of 22322066 in words is "twenty-two million, three hundred twenty-two thousand, sixty-six".