222021214040 has 32 divisors (see below), whose sum is σ = 500229308880. Its totient is φ = 88687316352.

The previous prime is 222021214033. The next prime is 222021214043. The reversal of 222021214040 is 40412120222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222021214043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3756854 + ... + 3815493.

Almost surely, 2^222021214040 is an apocalyptic number.

222021214040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222021214040 is an abundant number, since it is smaller than the sum of its proper divisors (278208094840).

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

222021214040 is a wasteful number, since it uses less digits than its factorization.

222021214040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7573091 (or 7573087 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222021214040 its reverse (40412120222), we get a palindrome (262433334262).

The spelling of 222021214040 in words is "two hundred twenty-two billion, twenty-one million, two hundred fourteen thousand, forty".