222541033043420 has 144 divisors (see below), whose sum is σ = 585519032760480. Its totient is φ = 70422757526016.

The previous prime is 222541033043383. The next prime is 222541033043429. The reversal of 222541033043420 is 24340330145222.

It is a super-2 number, since 2×222541033043420² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222541033043429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114447542 + ... + 116375778.

It is an arithmetic number, because the mean of its divisors is an integer number (4066104394170).

Almost surely, 2^{222541033043420} is an apocalyptic number.

222541033043420 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 222541033043420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292759516380240).

222541033043420 is an abundant number, since it is smaller than the sum of its proper divisors (362977999717060).

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

222541033043420 is a wasteful number, since it uses less digits than its factorization.

222541033043420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937332 (or 1937323 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 222541033043420 its reverse (24340330145222), we get a palindrome (246881363188642).

The spelling of 222541033043420 in words is "two hundred twenty-two trillion, five hundred forty-one billion, thirty-three million, forty-three thousand, four hundred twenty".