222020400102 has 32 divisors (see below), whose sum is σ = 463376643840. Its totient is φ = 70784572320.

The previous prime is 222020400097. The next prime is 222020400113. The reversal of 222020400102 is 201004020222.

It is a super-2 number, since 2×222020400102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2599152 + ... + 2683212.

It is an arithmetic number, because the mean of its divisors is an integer number (14480520120).

Almost surely, 2^222020400102 is an apocalyptic number.

222020400102 is an abundant number, since it is smaller than the sum of its proper divisors (241356243738).

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

222020400102 is a wasteful number, since it uses less digits than its factorization.

222020400102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103228.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 222020400102 its reverse (201004020222), we get a palindrome (423024420324).

The spelling of 222020400102 in words is "two hundred twenty-two billion, twenty million, four hundred thousand, one hundred two".