1022155454332 has 12 divisors (see below), whose sum is σ = 1788797507616. Its totient is φ = 511070452160.

The previous prime is 1022155454279. The next prime is 1022155454347. The reversal of 1022155454332 is 2334545512201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1022155454291 and 1022155454300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1496269 + ... + 2069572.

It is an arithmetic number, because the mean of its divisors is an integer number (149066458968).

Almost surely, 2^{1022155454332} is an apocalyptic number.

It is an amenable number.

1022155454332 is a deficient number, since it is larger than the sum of its proper divisors (766642053284).

1022155454332 is a wasteful number, since it uses less digits than its factorization.

1022155454332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3637508 (or 3637506 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 1022155454332 in words is "one trillion, twenty-two billion, one hundred fifty-five million, four hundred fifty-four thousand, three hundred thirty-two".