224901390 has 64 divisors (see below), whose sum is σ = 619591680. Its totient is φ = 51179520.

The previous prime is 224901377. The next prime is 224901407. The reversal of 224901390 is 93109422.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47950 + ... + 52430.

It is an arithmetic number, because the mean of its divisors is an integer number (9681120).

Almost surely, 2^224901390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224901390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309795840).

224901390 is an abundant number, since it is smaller than the sum of its proper divisors (394690290).

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

224901390 is a wasteful number, since it uses less digits than its factorization.

224901390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 224901390 is about 14996.7126397754. The cubic root of 224901390 is about 608.1313323604.

The spelling of 224901390 in words is "two hundred twenty-four million, nine hundred one thousand, three hundred ninety".