61867222 has 8 divisors (see below), whose sum is σ = 93337776. Its totient is φ = 30754632.

The previous prime is 61867177. The next prime is 61867229. The reversal of 61867222 is 22276816.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61867229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89058 + ... + 89749.

It is an arithmetic number, because the mean of its divisors is an integer number (11667222).

Almost surely, 2^61867222 is an apocalyptic number.

61867222 is a deficient number, since it is larger than the sum of its proper divisors (31470554).

61867222 is a wasteful number, since it uses less digits than its factorization.

61867222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178982.

The product of its digits is 16128, while the sum is 34.

The square root of 61867222 is about 7865.5719436033. The cubic root of 61867222 is about 395.5064208994.

The spelling of 61867222 in words is "sixty-one million, eight hundred sixty-seven thousand, two hundred twenty-two".