33245220542 has 4 divisors (see below), whose sum is σ = 49867830816. Its totient is φ = 16622610270.

The previous prime is 33245220523. The next prime is 33245220551. The reversal of 33245220542 is 24502254233.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×33245220542² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33245220499 and 33245220508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8311305134 + ... + 8311305137.

It is an arithmetic number, because the mean of its divisors is an integer number (12466957704).

Almost surely, 2^33245220542 is an apocalyptic number.

33245220542 is a deficient number, since it is larger than the sum of its proper divisors (16622610274).

33245220542 is a wasteful number, since it uses less digits than its factorization.

33245220542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16622610273.

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 33245220542 its reverse (24502254233), we get a palindrome (57747474775).

The spelling of 33245220542 in words is "thirty-three billion, two hundred forty-five million, two hundred twenty thousand, five hundred forty-two".