222621480 has 192 divisors, whose sum is σ = 784555200. Its totient is φ = 56142720.

The previous prime is 222621463. The next prime is 222621517. The reversal of 222621480 is 84126222.

It is a happy number.

222621480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 389595 + ... + 390165.

It is an arithmetic number, because the mean of its divisors is an integer number (4086225).

Almost surely, 2^222621480 is an apocalyptic number.

222621480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222621480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392277600).

222621480 is an abundant number, since it is smaller than the sum of its proper divisors (561933720).

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

222621480 is a wasteful number, since it uses less digits than its factorization.

222621480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 222621480 is about 14920.5053533719. The cubic root of 222621480 is about 606.0693970129.

The spelling of 222621480 in words is "two hundred twenty-two million, six hundred twenty-one thousand, four hundred eighty".