220251245 has 8 divisors (see below), whose sum is σ = 265356000. Its totient is φ = 175498000.

The previous prime is 220251223. The next prime is 220251247. The reversal of 220251245 is 542152022.

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

It is not a de Polignac number, because 220251245 - 2¹⁶ = 220185709 is a prime.

It is a super-2 number, since 2×220251245² = 97021221848100050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220251245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220251247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86495 + ... + 89004.

It is an arithmetic number, because the mean of its divisors is an integer number (33169500).

Almost surely, 2^220251245 is an apocalyptic number.

It is an amenable number.

220251245 is a deficient number, since it is larger than the sum of its proper divisors (45104755).

220251245 is a wasteful number, since it uses less digits than its factorization.

220251245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175755.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 220251245 is about 14840.8640247123. The cubic root of 220251245 is about 603.9107920895.

The spelling of 220251245 in words is "two hundred twenty million, two hundred fifty-one thousand, two hundred forty-five".