222470613400 has 144 divisors (see below), whose sum is σ = 621102479040. Its totient is φ = 73815033600.

The previous prime is 222470613371. The next prime is 222470613451. The reversal of 222470613400 is 4316074222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 62347 + ... + 669946.

It is an arithmetic number, because the mean of its divisors is an integer number (4313211660).

Almost surely, 2^222470613400 is an apocalyptic number.

222470613400 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 222470613400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310551239520).

222470613400 is an abundant number, since it is smaller than the sum of its proper divisors (398631865640).

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

222470613400 is a wasteful number, since it uses less digits than its factorization.

222470613400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732354 (or 732338 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

Adding to 222470613400 its reverse (4316074222), we get a palindrome (226786687622).

The spelling of 222470613400 in words is "two hundred twenty-two billion, four hundred seventy million, six hundred thirteen thousand, four hundred".