33213422 has 8 divisors (see below), whose sum is σ = 54349272. Its totient is φ = 15097000.

The previous prime is 33213419. The next prime is 33213437. The reversal of 33213422 is 22431233.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×33213422² = 2206262801900168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33213394 and 33213403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 754829 + ... + 754872.

It is an arithmetic number, because the mean of its divisors is an integer number (6793659).

Almost surely, 2^33213422 is an apocalyptic number.

33213422 is a deficient number, since it is larger than the sum of its proper divisors (21135850).

33213422 is a wasteful number, since it uses less digits than its factorization.

33213422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509714.

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

The square root of 33213422 is about 5763.1087097156. The cubic root of 33213422 is about 321.4434207931.

Adding to 33213422 its reverse (22431233), we get a palindrome (55644655).

The spelling of 33213422 in words is "thirty-three million, two hundred thirteen thousand, four hundred twenty-two".