61102229 has 4 divisors (see below), whose sum is σ = 62137920. Its totient is φ = 60066540.

The previous prime is 61102219. The next prime is 61102231. The reversal of 61102229 is 92220116.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61102229 - 2¹² = 61098133 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 (61102219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517757 + ... + 517874.

It is an arithmetic number, because the mean of its divisors is an integer number (15534480).

Almost surely, 2^61102229 is an apocalyptic number.

It is an amenable number.

61102229 is a deficient number, since it is larger than the sum of its proper divisors (1035691).

61102229 is a wasteful number, since it uses less digits than its factorization.

61102229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035690.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 61102229 is about 7816.7914773262. The cubic root of 61102229 is about 393.8694994982.

The spelling of 61102229 in words is "sixty-one million, one hundred two thousand, two hundred twenty-nine".