61228335 has 16 divisors (see below), whose sum is σ = 111960576. Its totient is φ = 27990048.

The previous prime is 61228331. The next prime is 61228337. The reversal of 61228335 is 53382216.

It is not a de Polignac number, because 61228335 - 2² = 61228331 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61228331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291459 + ... + 291668.

It is an arithmetic number, because the mean of its divisors is an integer number (6997536).

Almost surely, 2^61228335 is an apocalyptic number.

61228335 is a deficient number, since it is larger than the sum of its proper divisors (50732241).

61228335 is a wasteful number, since it uses less digits than its factorization.

61228335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583142.

The product of its digits is 8640, while the sum is 30.

The square root of 61228335 is about 7824.8536727532. The cubic root of 61228335 is about 394.1402761785.

The spelling of 61228335 in words is "sixty-one million, two hundred twenty-eight thousand, three hundred thirty-five".