222212210001000 has 64 divisors (see below), whose sum is σ = 693302095212480. Its totient is φ = 59256589332800.

The previous prime is 222212210000993. The next prime is 222212210001029. The reversal of 222212210001000 is 100012212222.

222212210001000 is digitally balanced in base 2 and base 4, because in such bases 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 (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37035365334 + ... + 37035371333.

It is an arithmetic number, because the mean of its divisors is an integer number (10832845237695).

Almost surely, 2^{222212210001000} is an apocalyptic number.

222212210001000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222212210001000 is an abundant number, since it is smaller than the sum of its proper divisors (471089885211480).

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

222212210001000 is a wasteful number, since it uses less digits than its factorization.

222212210001000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74070736691 (or 74070736677 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222212210001000 its reverse (100012212222), we get a palindrome (222312222213222).

The spelling of 222212210001000 in words is "two hundred twenty-two trillion, two hundred twelve billion, two hundred ten million, one thousand".