1146266220 has 48 divisors (see below), whose sum is σ = 3501324288. Its totient is φ = 277882560.

The previous prime is 1146266213. The next prime is 1146266239. The reversal of 1146266220 is 226626411.

It is a super-2 number, since 2×1146266220² = 2627852494226176800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 867724 + ... + 869043.

It is an arithmetic number, because the mean of its divisors is an integer number (72944256).

Almost surely, 2^1146266220 is an apocalyptic number.

1146266220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1146266220 is an abundant number, since it is smaller than the sum of its proper divisors (2355058068).

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

1146266220 is a wasteful number, since it uses less digits than its factorization.

1146266220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736790 (or 1736788 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1146266220 is about 33856.5535753420. The cubic root of 1146266220 is about 1046.5544564864.

The spelling of 1146266220 in words is "one billion, one hundred forty-six million, two hundred sixty-six thousand, two hundred twenty".