61222479 has 16 divisors (see below), whose sum is σ = 82867200. Its totient is φ = 40201056.

The previous prime is 61222439. The next prime is 61222507. The reversal of 61222479 is 97422216.

It is not a de Polignac number, because 61222479 - 2⁹ = 61221967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61222409) 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, 73437 + ... + 74265.

It is an arithmetic number, because the mean of its divisors is an integer number (5179200).

Almost surely, 2^61222479 is an apocalyptic number.

61222479 is a deficient number, since it is larger than the sum of its proper divisors (21644721).

61222479 is a wasteful number, since it uses less digits than its factorization.

61222479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174.

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

The square root of 61222479 is about 7824.4794715048. The cubic root of 61222479 is about 394.1277103240.

The spelling of 61222479 in words is "sixty-one million, two hundred twenty-two thousand, four hundred seventy-nine".