33540025422 has 32 divisors (see below), whose sum is σ = 67207117824. Its totient is φ = 11158855200.

The previous prime is 33540025411. The next prime is 33540025489. The reversal of 33540025422 is 22452004533.

It is a super-2 number, since 2×33540025422² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33540025422.

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, 9134647 + ... + 9138317.

It is an arithmetic number, because the mean of its divisors is an integer number (2100222432).

Almost surely, 2^33540025422 is an apocalyptic number.

33540025422 is an abundant number, since it is smaller than the sum of its proper divisors (33667092402).

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

33540025422 is a wasteful number, since it uses less digits than its factorization.

33540025422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6144.

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 33540025422 its reverse (22452004533), we get a palindrome (55992029955).

The spelling of 33540025422 in words is "thirty-three billion, five hundred forty million, twenty-five thousand, four hundred twenty-two".