222401020 has 12 divisors (see below), whose sum is σ = 467042184. Its totient is φ = 88960400.

The previous prime is 222401009. The next prime is 222401027. The reversal of 222401020 is 20104222.

222401020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×222401020³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222401027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5560006 + ... + 5560045.

It is an arithmetic number, because the mean of its divisors is an integer number (38920182).

Almost surely, 2^222401020 is an apocalyptic number.

222401020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222401020 is an abundant number, since it is smaller than the sum of its proper divisors (244641164).

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

222401020 is a wasteful number, since it uses less digits than its factorization.

222401020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11120060 (or 11120058 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 222401020 is about 14913.1157039701. The cubic root of 222401020 is about 605.8692692907.

Adding to 222401020 its reverse (20104222), we get a palindrome (242505242).

It can be divided in two parts, 22 and 2401020, that added together give a palindrome (2401042).

The spelling of 222401020 in words is "two hundred twenty-two million, four hundred one thousand, twenty".