61122229 has 8 divisors (see below), whose sum is σ = 70283840. Its totient is φ = 52068096.

The previous prime is 61122223. The next prime is 61122239. The reversal of 61122229 is 92222116.

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

It is a cyclic number.

It is not a de Polignac number, because 61122229 - 2¹¹ = 61120181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61122223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25644 + ... + 27925.

It is an arithmetic number, because the mean of its divisors is an integer number (8785480).

Almost surely, 2^61122229 is an apocalyptic number.

It is an amenable number.

61122229 is a deficient number, since it is larger than the sum of its proper divisors (9161611).

61122229 is a wasteful number, since it uses less digits than its factorization.

61122229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53739.

The product of its digits is 864, while the sum is 25.

The square root of 61122229 is about 7818.0706699287. The cubic root of 61122229 is about 393.9124686381.

The spelling of 61122229 in words is "sixty-one million, one hundred twenty-two thousand, two hundred twenty-nine".