22333222142220 has 144 divisors (see below), whose sum is σ = 68737270752864. Its totient is φ = 5413907558400.

The previous prime is 22333222142219. The next prime is 22333222142281. The reversal of 22333222142220 is 2224122233322.

It is a super-2 number, since 2×22333222142220² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 285402300 + ... + 285480540.

It is an arithmetic number, because the mean of its divisors is an integer number (477342158006).

Almost surely, 2^{22333222142220} is an apocalyptic number.

22333222142220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22333222142220 is an abundant number, since it is smaller than the sum of its proper divisors (46404048610644).

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

22333222142220 is a wasteful number, since it uses less digits than its factorization.

22333222142220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117592 (or 117579 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 22333222142220 its reverse (2224122233322), we get a palindrome (24557344375542).

The spelling of 22333222142220 in words is "twenty-two trillion, three hundred thirty-three billion, two hundred twenty-two million, one hundred forty-two thousand, two hundred twenty".