222002221012 has 48 divisors (see below), whose sum is σ = 456651703872. Its totient is φ = 93101345280.

The previous prime is 222002220967. The next prime is 222002221013. The reversal of 222002221012 is 210122200222.

It is a super-2 number, since 2×222002221012² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222002221013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1063708 + ... + 1255180.

It is an arithmetic number, because the mean of its divisors is an integer number (9513577164).

Almost surely, 2^222002221012 is an apocalyptic number.

222002221012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222002221012 is an abundant number, since it is smaller than the sum of its proper divisors (234649482860).

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

222002221012 is a wasteful number, since it uses less digits than its factorization.

222002221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193528 (or 193526 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222002221012 its reverse (210122200222), we get a palindrome (432124421234).

The spelling of 222002221012 in words is "two hundred twenty-two billion, two million, two hundred twenty-one thousand, twelve".