61022237 has 2 divisors, whose sum is σ = 61022238. Its totient is φ = 61022236.

The previous prime is 61022209. The next prime is 61022261. The reversal of 61022237 is 73222016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38800441 + 22221796 = 6229^2 + 4714^2 .

It is a cyclic number.

It is not a de Polignac number, because 61022237 - 2⁶ = 61022173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61022267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30511118 + 30511119.

It is an arithmetic number, because the mean of its divisors is an integer number (30511119).

Almost surely, 2^61022237 is an apocalyptic number.

It is an amenable number.

61022237 is a deficient number, since it is larger than the sum of its proper divisors (1).

61022237 is an equidigital number, since it uses as much as digits as its factorization.

61022237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 61022237 is about 7811.6731242417. The cubic root of 61022237 is about 393.6975463174.

The spelling of 61022237 in words is "sixty-one million, twenty-two thousand, two hundred thirty-seven".