222361542 has 48 divisors (see below), whose sum is σ = 521128608. Its totient is φ = 68117760.

The previous prime is 222361507. The next prime is 222361561. The reversal of 222361542 is 245163222.

It is a happy number.

222361542 is a `hidden beast` number, since 2 + 2 + 2 + 3 + 615 + 42 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54423 + ... + 58365.

It is an arithmetic number, because the mean of its divisors is an integer number (10856846).

Almost surely, 2^222361542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222361542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260564304).

222361542 is an abundant number, since it is smaller than the sum of its proper divisors (298767066).

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

222361542 is a wasteful number, since it uses less digits than its factorization.

222361542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4205 (or 4202 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 222361542 is about 14911.7920452238. The cubic root of 222361542 is about 605.8334182525.

The spelling of 222361542 in words is "two hundred twenty-two million, three hundred sixty-one thousand, five hundred forty-two".