33225121400 has 48 divisors (see below), whose sum is σ = 81314122200. Its totient is φ = 12590570880.

The previous prime is 33225121373. The next prime is 33225121439. The reversal of 33225121400 is 412152233.

It is a super-2 number, since 2×33225121400² (a number of 22 digits) 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 11 ways as a sum of consecutive naturals, for example, 4367927 + ... + 4375526.

Almost surely, 2^33225121400 is an apocalyptic number.

It is an amenable number.

33225121400 is an abundant number, since it is smaller than the sum of its proper divisors (48089000800).

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

33225121400 is a wasteful number, since it uses less digits than its factorization.

33225121400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8743488 (or 8743479 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 33225121400 its reverse (412152233), we get a palindrome (33637273633).

The spelling of 33225121400 in words is "thirty-three billion, two hundred twenty-five million, one hundred twenty-one thousand, four hundred".