1355661622 has 16 divisors (see below), whose sum is σ = 2341734912. Its totient is φ = 576561960.

The previous prime is 1355661581. The next prime is 1355661631. The reversal of 1355661622 is 2261665531.

It is a congruent number.

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, 367758 + ... + 371425.

It is an arithmetic number, because the mean of its divisors is an integer number (146358432).

Almost surely, 2^1355661622 is an apocalyptic number.

1355661622 is a deficient number, since it is larger than the sum of its proper divisors (986073290).

1355661622 is a wasteful number, since it uses less digits than its factorization.

1355661622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739323.

The product of its digits is 64800, while the sum is 37.

The square root of 1355661622 is about 36819.3104498170. The cubic root of 1355661622 is about 1106.7523017433.

The spelling of 1355661622 in words is "one billion, three hundred fifty-five million, six hundred sixty-one thousand, six hundred twenty-two".