33223542 has 32 divisors (see below), whose sum is σ = 76754304. Its totient is φ = 9475200.

The previous prime is 33223517. The next prime is 33223583. The reversal of 33223542 is 24532233.

It is a super-2 number, since 2×33223542² = 2207607486051528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13684 + ... + 15927.

It is an arithmetic number, because the mean of its divisors is an integer number (2398572).

Almost surely, 2^33223542 is an apocalyptic number.

33223542 is an abundant number, since it is smaller than the sum of its proper divisors (43530762).

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

33223542 is a wasteful number, since it uses less digits than its factorization.

33223542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29644.

The product of its digits is 4320, while the sum is 24.

The square root of 33223542 is about 5763.9866412059. The cubic root of 33223542 is about 321.4760649962.

Adding to 33223542 its reverse (24532233), we get a palindrome (57755775).

The spelling of 33223542 in words is "thirty-three million, two hundred twenty-three thousand, five hundred forty-two".