61222808 has 16 divisors (see below), whose sum is σ = 115301880. Its totient is φ = 30475648.

The previous prime is 61222789. The next prime is 61222823. The reversal of 61222808 is 80822216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15041 + ... + 18672.

Almost surely, 2^61222808 is an apocalyptic number.

It is an amenable number.

61222808 is a deficient number, since it is larger than the sum of its proper divisors (54079072).

61222808 is a wasteful number, since it uses less digits than its factorization.

61222808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33946 (or 33942 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 61222808 is about 7824.5004952393. The cubic root of 61222808 is about 394.1284163163.

The spelling of 61222808 in words is "sixty-one million, two hundred twenty-two thousand, eight hundred eight".