1066622455 has 8 divisors (see below), whose sum is σ = 1280803104. Its totient is φ = 852727200.

The previous prime is 1066622441. The next prime is 1066622467. The reversal of 1066622455 is 5542266601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1066622455 is a prime.

It is a super-2 number, since 2×1066622455² = 2275366923020454050, which contains 22 as substring.

It is a Duffinian number.

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, 63036 + ... + 78145.

It is an arithmetic number, because the mean of its divisors is an integer number (160100388).

Almost surely, 2^1066622455 is an apocalyptic number.

1066622455 is a deficient number, since it is larger than the sum of its proper divisors (214180649).

1066622455 is a wasteful number, since it uses less digits than its factorization.

1066622455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142697.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 1066622455 is about 32659.1863799452. The cubic root of 1066622455 is about 1021.7317930725.

The spelling of 1066622455 in words is "one billion, sixty-six million, six hundred twenty-two thousand, four hundred fifty-five".