33423212 has 24 divisors (see below), whose sum is σ = 60137616. Its totient is φ = 16244928.

The previous prime is 33423197. The next prime is 33423227. The reversal of 33423212 is 21232433.

It is an interprime number because it is at equal distance from previous prime (33423197) and next prime (33423227).

It is a super-2 number, since 2×33423212² = 2234222200793888, which contains 22 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, 54218 + ... + 54830.

It is an arithmetic number, because the mean of its divisors is an integer number (2505734).

Almost surely, 2^33423212 is an apocalyptic number.

It is an amenable number.

33423212 is a deficient number, since it is larger than the sum of its proper divisors (26714404).

33423212 is a wasteful number, since it uses less digits than its factorization.

33423212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977 (or 975 counting only the distinct ones).

The product of its digits is 864, while the sum is 20.

The square root of 33423212 is about 5781.2811728889. The cubic root of 33423212 is about 322.1187916061.

Adding to 33423212 its reverse (21232433), we get a palindrome (54655645).

The spelling of 33423212 in words is "thirty-three million, four hundred twenty-three thousand, two hundred twelve".