61822250 has 32 divisors (see below), whose sum is σ = 132268032. Its totient is φ = 21195600.

The previous prime is 61822247. The next prime is 61822279. The reversal of 61822250 is 5222816.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15914 + ... + 19413.

It is an arithmetic number, because the mean of its divisors is an integer number (4133376).

Almost surely, 2^61822250 is an apocalyptic number.

61822250 is an abundant number, since it is smaller than the sum of its proper divisors (70445782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61822250 is a wasteful number, since it uses less digits than its factorization.

61822250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35351 (or 35341 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 61822250 is about 7862.7126362344. The cubic root of 61822250 is about 395.4105649372.

The spelling of 61822250 in words is "sixty-one million, eight hundred twenty-two thousand, two hundred fifty".