1055578722 has 32 divisors (see below), whose sum is σ = 2438558784. Its totient is φ = 301056000.

The previous prime is 1055578691. The next prime is 1055578723. The reversal of 1055578722 is 2278755501.

It is a super-2 number, since 2×1055578722² = 2228492876678306568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055578723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469279 + ... + 471522.

It is an arithmetic number, because the mean of its divisors is an integer number (76204962).

Almost surely, 2^1055578722 is an apocalyptic number.

1055578722 is an abundant number, since it is smaller than the sum of its proper divisors (1382980062).

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

1055578722 is a wasteful number, since it uses less digits than its factorization.

1055578722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940834.

The product of its (nonzero) digits is 196000, while the sum is 42.

The square root of 1055578722 is about 32489.6710047978. The cubic root of 1055578722 is about 1018.1932394219.

The spelling of 1055578722 in words is "one billion, fifty-five million, five hundred seventy-eight thousand, seven hundred twenty-two".