222503040 has 96 divisors (see below), whose sum is σ = 768350700. Its totient is φ = 59332608.

The previous prime is 222503003. The next prime is 222503153. The reversal of 222503040 is 40305222.

It can be written as a sum of positive squares in 2 ways, for example, as 191767104 + 30735936 = 13848^2 + 5544^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13555 + ... + 25074.

Almost surely, 2^222503040 is an apocalyptic number.

222503040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222503040 is an abundant number, since it is smaller than the sum of its proper divisors (545847660).

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

222503040 is a wasteful number, since it uses less digits than its factorization.

222503040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38654 (or 38639 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 222503040 is about 14916.5357908598. The cubic root of 222503040 is about 605.9618967645.

Adding to 222503040 its reverse (40305222), we get a palindrome (262808262).

The spelling of 222503040 in words is "two hundred twenty-two million, five hundred three thousand, forty".