224151870 has 32 divisors (see below), whose sum is σ = 540794880. Its totient is φ = 59459360.

The previous prime is 224151869. The next prime is 224151877. The reversal of 224151870 is 78151422.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224151877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13830 + ... + 25289.

It is an arithmetic number, because the mean of its divisors is an integer number (16899840).

Almost surely, 2^224151870 is an apocalyptic number.

224151870 is an abundant number, since it is smaller than the sum of its proper divisors (316643010).

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

224151870 is a wasteful number, since it uses less digits than its factorization.

224151870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39320.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 224151870 is about 14971.7023080210. The cubic root of 224151870 is about 607.4550153823.

The spelling of 224151870 in words is "two hundred twenty-four million, one hundred fifty-one thousand, eight hundred seventy".