2223950278 has 16 divisors (see below), whose sum is σ = 3707857296. Its totient is φ = 991812640.

The previous prime is 2223950269. The next prime is 2223950291. The reversal of 2223950278 is 8720593222.

It is a self number, because there is not a number n which added to its sum of digits gives 2223950278.

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, 952501 + ... + 954832.

It is an arithmetic number, because the mean of its divisors is an integer number (231741081).

Almost surely, 2^2223950278 is an apocalyptic number.

2223950278 is a deficient number, since it is larger than the sum of its proper divisors (1483907018).

2223950278 is a wasteful number, since it uses less digits than its factorization.

2223950278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907399.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 2223950278 is about 47158.7773166353. Note that the first 3 decimals coincide. The cubic root of 2223950278 is about 1305.2940482312.

The spelling of 2223950278 in words is "two billion, two hundred twenty-three million, nine hundred fifty thousand, two hundred seventy-eight".