61022146 has 8 divisors (see below), whose sum is σ = 96917580. Its totient is φ = 28716288.

The previous prime is 61022141. The next prime is 61022153. The reversal of 61022146 is 64122016.

It can be written as a sum of positive squares in 2 ways, for example, as 49154121 + 11868025 = 7011^2 + 3445^2 .

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

It is not an unprimeable number, because it can be changed into a prime (61022141) 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, 897351 + ... + 897418.

Almost surely, 2^61022146 is an apocalyptic number.

61022146 is a deficient number, since it is larger than the sum of its proper divisors (35895434).

61022146 is a wasteful number, since it uses less digits than its factorization.

61022146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794788.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 61022146 is about 7811.6672996230. The cubic root of 61022146 is about 393.6973506156.

The spelling of 61022146 in words is "sixty-one million, twenty-two thousand, one hundred forty-six".