33540226 has 4 divisors (see below), whose sum is σ = 50310342. Its totient is φ = 16770112.

The previous prime is 33540209. The next prime is 33540229. The reversal of 33540226 is 62204533.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62204533 = 3259 ⋅19087.

It can be written as a sum of positive squares in only one way, i.e., 20930625 + 12609601 = 4575^2 + 3551^2 .

It is a super-2 number, since 2×33540226² = 2249893520262152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33540226.

It is not an unprimeable number, because it can be changed into a prime (33540229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8385055 + ... + 8385058.

Almost surely, 2^33540226 is an apocalyptic number.

33540226 is a deficient number, since it is larger than the sum of its proper divisors (16770116).

33540226 is a wasteful number, since it uses less digits than its factorization.

33540226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16770115.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 33540226 is about 5791.3924059763. The cubic root of 33540226 is about 322.4942642651.

Adding to 33540226 its reverse (62204533), we get a palindrome (95744759).

The spelling of 33540226 in words is "thirty-three million, five hundred forty thousand, two hundred twenty-six".