222523434836 has 6 divisors (see below), whose sum is σ = 389416010970. Its totient is φ = 111261717416.

The previous prime is 222523434823. The next prime is 222523434911. The reversal of 222523434836 is 638434325222.

It can be written as a sum of positive squares in only one way, i.e., 206824848400 + 15698586436 = 454780^2 + 125294^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27815429351 + ... + 27815429358.

It is an arithmetic number, because the mean of its divisors is an integer number (64902668495).

Almost surely, 2^222523434836 is an apocalyptic number.

It is an amenable number.

222523434836 is a deficient number, since it is larger than the sum of its proper divisors (166892576134).

222523434836 is a wasteful number, since it uses less digits than its factorization.

222523434836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55630858713 (or 55630858711 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 44.

The spelling of 222523434836 in words is "two hundred twenty-two billion, five hundred twenty-three million, four hundred thirty-four thousand, eight hundred thirty-six".