61947222 has 32 divisors (see below), whose sum is σ = 127775232. Its totient is φ = 20011104.

The previous prime is 61947209. The next prime is 61947229. The reversal of 61947222 is 22274916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61947229) 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, 29148 + ... + 31200.

It is an arithmetic number, because the mean of its divisors is an integer number (3992976).

Almost surely, 2^61947222 is an apocalyptic number.

61947222 is an abundant number, since it is smaller than the sum of its proper divisors (65828010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61947222 is a wasteful number, since it uses less digits than its factorization.

61947222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212.

The product of its digits is 12096, while the sum is 33.

The square root of 61947222 is about 7870.6557541287. The cubic root of 61947222 is about 395.6768228474.

The spelling of 61947222 in words is "sixty-one million, nine hundred forty-seven thousand, two hundred twenty-two".