61622255 has 8 divisors (see below), whose sum is σ = 75200400. Its totient is φ = 48462016.

The previous prime is 61622233. The next prime is 61622273. The reversal of 61622255 is 55222616.

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 61622255 - 2⁸ = 61621999 is a prime.

It is a super-2 number, since 2×61622255² = 7594604622570050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104150 + ... + 104739.

It is an arithmetic number, because the mean of its divisors is an integer number (9400050).

Almost surely, 2^61622255 is an apocalyptic number.

61622255 is a deficient number, since it is larger than the sum of its proper divisors (13578145).

61622255 is a wasteful number, since it uses less digits than its factorization.

61622255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208953.

The product of its digits is 7200, while the sum is 29.

The square root of 61622255 is about 7849.9843948889. The cubic root of 61622255 is about 394.9837198866.

It can be divided in two parts, 6 and 1622255, that added together give a palindrome (1622261).

The spelling of 61622255 in words is "sixty-one million, six hundred twenty-two thousand, two hundred fifty-five".