201224022402 has 16 divisors (see below), whose sum is σ = 433405586880. Its totient is φ = 61915083792.

The previous prime is 201224022359. The next prime is 201224022427. The reversal of 201224022402 is 204220422102.

It is a super-2 number, since 2×201224022402² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1289897502 + ... + 1289897657.

It is an arithmetic number, because the mean of its divisors is an integer number (27087849180).

Almost surely, 2^201224022402 is an apocalyptic number.

201224022402 is an abundant number, since it is smaller than the sum of its proper divisors (232181564478).

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

201224022402 is a wasteful number, since it uses less digits than its factorization.

201224022402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2579795177.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 201224022402 its reverse (204220422102), we get a palindrome (405444444504).

The spelling of 201224022402 in words is "two hundred one billion, two hundred twenty-four million, twenty-two thousand, four hundred two".