1022064261 has 8 divisors (see below), whose sum is σ = 1362901344. Its totient is φ = 681301680.

The previous prime is 1022064247. The next prime is 1022064289. The reversal of 1022064261 is 1624602201.

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

It is not a de Polignac number, because 1022064261 - 2¹¹ = 1022062213 is a prime.

It is a super-2 number, since 2×1022064261² = 2089230707226952242, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022064221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37870 + ... + 58976.

It is an arithmetic number, because the mean of its divisors is an integer number (170362668).

Almost surely, 2^1022064261 is an apocalyptic number.

It is an amenable number.

1022064261 is a deficient number, since it is larger than the sum of its proper divisors (340837083).

1022064261 is a wasteful number, since it uses less digits than its factorization.

1022064261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37251.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1022064261 is about 31969.7397706018. The cubic root of 1022064261 is about 1007.3013147275.

Adding to 1022064261 its reverse (1624602201), we get a palindrome (2646666462).

The spelling of 1022064261 in words is "one billion, twenty-two million, sixty-four thousand, two hundred sixty-one".