61055222 has 4 divisors (see below), whose sum is σ = 91582836. Its totient is φ = 30527610.

The previous prime is 61055219. The next prime is 61055249. The reversal of 61055222 is 22255016.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15263804 + ... + 15263807.

It is an arithmetic number, because the mean of its divisors is an integer number (22895709).

Almost surely, 2^61055222 is an apocalyptic number.

61055222 is a deficient number, since it is larger than the sum of its proper divisors (30527614).

61055222 is a wasteful number, since it uses less digits than its factorization.

61055222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30527613.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 61055222 is about 7813.7841024692. The cubic root of 61055222 is about 393.7684700499.

The spelling of 61055222 in words is "sixty-one million, fifty-five thousand, two hundred twenty-two".