2222761628 has 24 divisors (see below), whose sum is σ = 4251510144. Its totient is φ = 1012262400.

The previous prime is 2222761601. The next prime is 2222761657. The reversal of 2222761628 is 8261672222.

It is a junction number, because it is equal to n+sod(n) for n = 2222761591 and 2222761600.

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, 525113 + ... + 529328.

It is an arithmetic number, because the mean of its divisors is an integer number (177146256).

Almost surely, 2^2222761628 is an apocalyptic number.

It is an amenable number.

2222761628 is a deficient number, since it is larger than the sum of its proper divisors (2028748516).

2222761628 is a wasteful number, since it uses less digits than its factorization.

2222761628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054493 (or 1054491 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 2222761628 is about 47146.1729942103. The cubic root of 2222761628 is about 1305.0614569590.

The spelling of 2222761628 in words is "two billion, two hundred twenty-two million, seven hundred sixty-one thousand, six hundred twenty-eight".