33722066 has 16 divisors (see below), whose sum is σ = 58107456. Its totient is φ = 14377776.

The previous prime is 33722063. The next prime is 33722069. The reversal of 33722066 is 66022733.

It is an interprime number because it is at equal distance from previous prime (33722063) and next prime (33722069).

It is a super-2 number, since 2×33722066² = 2274355470616712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33722063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3356 + ... + 8871.

It is an arithmetic number, because the mean of its divisors is an integer number (3631716).

Almost surely, 2^33722066 is an apocalyptic number.

33722066 is a deficient number, since it is larger than the sum of its proper divisors (24385390).

33722066 is a wasteful number, since it uses less digits than its factorization.

33722066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12433.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 33722066 is about 5807.0703457079. The cubic root of 33722066 is about 323.0760204085.

Adding to 33722066 its reverse (66022733), we get a palindrome (99744799).

The spelling of 33722066 in words is "thirty-three million, seven hundred twenty-two thousand, sixty-six".