222154324050 has 48 divisors (see below), whose sum is σ = 551612462400. Its totient is φ = 59169138240.

The previous prime is 222154324037. The next prime is 222154324103. The reversal of 222154324050 is 50423451222.

It is a super-2 number, since 2×222154324050² (a number of 23 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 222154323999 and 222154324017.

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, 776325 + ... + 1023224.

It is an arithmetic number, because the mean of its divisors is an integer number (11491926300).

Almost surely, 2^222154324050 is an apocalyptic number.

222154324050 is an abundant number, since it is smaller than the sum of its proper divisors (329458138350).

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

222154324050 is a wasteful number, since it uses less digits than its factorization.

222154324050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800387 (or 1800382 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 222154324050 its reverse (50423451222), we get a palindrome (272577775272).

The spelling of 222154324050 in words is "two hundred twenty-two billion, one hundred fifty-four million, three hundred twenty-four thousand, fifty".